LOW CARB HIGH PROTEIN TOMATO CHEDDAR BISCUITS
The Keto Baking Mechanic™ — Recipes
Keto Cheddar Tomato Biscuits
Where We Create, Tweak and Enhance Keto and Low Carb Breads and Baked Goods
🍪 Your Ultimate Guide to Sourdough Discard Magic
This recipe aligns with the standard ketogenic (keto) diet as well as low-carbohydrate dietary protocols. Within these frameworks, tomatoes are considered compatible and permissible ingredients.
Keto cheddar tomato biscuits transformed a sourdough discard problem into a favourite breakfast solution. It’s easy to toss out cups of precious starter every week, feeling guilty about the waste — these high-protein beauties solve that. Golden, cheesy, and holding together properly, with no crumbling and no eggy texture. If you’ve been searching for a way to use your low-carb sourdough discard that delivers real flavour and nutrition, you’re about to become a discard diva yourself.
These aren’t your typical keto biscuits. They’re powered by discard fermentation, packed with protein, and bursting with real cheddar and fresh tomato. Each bite delivers that authentic sourdough tang you crave while fitting comfortably into your macros.
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The Appeal
What Makes These Biscuits Special
- 20g protein per biscuit from cottage cheese and eggs
- Only 2g net carbs per serving (recipe makes 6)
- Zero waste — transforms sourdough discard into nutrition
- 30-minute prep with simple, accessible ingredients
- Freezer-friendly for meal prep convenience
- Authentic sourdough tang from the discard
Perfect for keto dieters seeking high-protein breakfast options, low-carb lifestyle followers who love bread, sourdough enthusiasts maximizing their discard, meal preppers batching breakfast for the week, and anyone craving cheesy, savoury satisfaction without the carbs.
The Difference
What Makes This Recipe Different?
Traditional biscuits rely on wheat flour and butter for their flaky texture, but wheat flour spikes blood sugar and those empty carbs leave you hungry an hour later. Meanwhile, most keto biscuit recipes use excessive amounts of eggs, creating that dense, rubbery texture we’ve all learned to tolerate. These sourdough discard biscuits take a completely different approach.
By incorporating your living starter made with almond flour and coconut flour, you’re adding authentic fermentation depth — the discard contributes organic acids and complexity that plain almond flour dough can’t achieve on its own. The cottage cheese provides incredible moisture and protein without the eggy flavour. Fresh tomato and extra-sharp aged cheddar create layers of savoury complexity that make these biscuits taste indulgent, not like “diet food.”
The texture is authentically biscuit-like: tender interior, slightly crisp exterior, and they actually hold together when you slice them. You can toast them, freeze them, or use them for breakfast sandwiches. They’re versatile enough for sweet or savoury applications, though this tomato cheddar version is pure savoury perfection.
Key Differences That Matter
- Discard fermentation flavour vs. plain almond flour
- Cottage cheese base provides moisture without greasiness
- Psyllium husk creates structure without excessive eggs
- Silicone mold technique prevents sticking and maintains shape
- Extra-sharp cheddar delivers intense flavour with less fat
The Science
Why Does This Recipe Work?
- Mega Protein: 20g per biscuit from cottage cheese, eggs, and cheddar — may support muscle maintenance and satiety
- Ultra Low Net Carbs: Only 2g per biscuit fits easily into your daily keto macros
- Simple Ingredients: 10 basic items you likely already have
- Meal Prep Friendly: Freezes beautifully for 3 months
- Zero Waste Philosophy: Uses sourdough discard, transforming what you’d normally throw away
- Silicone Mold Magic: Wheat-free doughs stick notoriously to metal pans, but silicone releases perfectly every time
Why It’s Valuable
Qualities of the Main Ingredients
Cottage Cheese
- Supports Muscle Maintenance: Cottage cheese contains casein, a slow-digesting protein that may provide a steady stream of amino acids to your muscles for several hours — useful for recovery as part of a high-protein keto breakfast
- Promotes Satiety: The combination of protein and fat in cottage cheese may help trigger satiety hormones like CCK and GLP-1, which signal fullness to your brain. Research suggests high-protein meals may help reduce hunger and support lower calorie intake at subsequent meals for some people
- Supports Bone Health: Cottage cheese provides calcium, phosphorus, and selenium — minerals that support strong bones. The protein content may also help your body absorb and utilize calcium more effectively than calcium alone
Almond Flour
- May Support Blood Sugar Stability: Unlike wheat flour, almond flour has a lower glycemic index and higher fibre content that may slow glucose absorption compared to wheat-based alternatives
- Heart-Healthy Fats: Almond flour is rich in monounsaturated fats — the same heart-protective fats found in olive oil. These fats may help support healthy LDL and HDL cholesterol levels as part of an overall balanced diet
- Antioxidant Support: Almonds contain vitamin E, an antioxidant that may help protect cells from oxidative damage, supporting skin health, immune function, and cellular protection
Extra-Sharp Aged Cheddar
- Fits a Keto Approach: Aged cheddar is naturally low-carb with less than 1g of carbs per ounce, while providing quality fats. The aging process reduces lactose content further, making aged cheddar one of the more keto-friendly cheese options available
- Concentrated Nutrition: The aging process concentrates nutrients in cheddar, providing calcium, zinc, and vitamin K2, which may help support the body’s use of calcium for bone health
- Complete Protein: Cheddar contains all nine essential amino acids your body needs but cannot produce on its own. Combined with the cottage cheese and eggs in this recipe, you’re getting a well-rounded protein profile
Why this combination works: together, these three ingredients create a well-rounded, satiating biscuit. The cottage cheese and cheddar provide sustained protein, the almond flour delivers energy without the blood sugar swings of wheat flour, and the combination of quality fats from cheese and almonds may help keep you satisfied for hours.
What You’ll Need
Ingredients
- 1 cup (225g) 4% Fat Cottage Cheese: Adds moisture, protein, and structure
- 2 Eggs: Binds the dough and adds richness
- 2 teaspoons (10ml) Apple Cider Vinegar: Enhances tang
- ½ cup (120g) Living Starter (Almond Flour + Coconut Flour): Adds discard depth and flavour
- 2 cups (192g) Almond Flour: The base structure of the dough
- 3 tablespoons (24g) Whole Psyllium Husks: Binds the crumb
- Ranch Seasoning (0 carb, optional): Adds savoury depth
- 2 teaspoons Baking Powder: Provides lift
- ¾ cup + ¼ cup Extra-Sharp Aged Cheddar: Divided between dough and topping
- ½ cup Diced Fresh Tomato: Adds brightness, patted dry
Let’s Bake
How Do You Make Perfect Keto Cheddar Tomato Biscuits?
Phase 1: Preparation and Blending (5 minutes)
Step 1: Preheat your oven to 375°F (190°C) and prepare your silicone muffin mold by placing it on a baking sheet for stability. Do not grease — silicone’s non-stick surface works perfectly on its own.
Step 2: In a mini mixer or blender, combine 1 cup cottage cheese, 2 eggs, and 2 teaspoons apple cider vinegar. Blend until completely smooth with no lumps remaining, about 30 seconds. The mixture should look like a thick, creamy pancake batter.
Pro Tip: Room temperature eggs blend more smoothly than cold eggs. Pull them from the fridge 30 minutes before starting.
Phase 2: Mixing the Dough (5 minutes)
Step 3: Transfer the blended mixture to a large mixing bowl. Add ½ cup living starter directly to the bowl. Your Sinless Sourdough™ living starter will appear dry and crumbly — that’s perfect. Do not add water. The cottage cheese mixture provides all the moisture needed.
Step 4: Add 2 cups almond flour, 3 tablespoons psyllium, Ranch seasoning (if using), and 2 teaspoons baking powder. Mix with a rubber spatula until a moist, cohesive dough forms. The dough should be soft but not wet, similar to cookie dough consistency.
Here’s where most people make their first mistake: If the dough feels too wet or sticky, add psyllium 1 tablespoon at a time, mixing thoroughly between additions and waiting 30 seconds after each to assess consistency. If the dough is too dry or crumbly, add milk (dairy, almond, or coconut) 1 tablespoon at a time.
Step 5: Shape the dough into a ball, gathering all stray pieces. Cover the bowl with a clean dish towel and refrigerate for 30–60 minutes. This chilling step is crucial — it allows the psyllium to fully hydrate and the dough to firm up, making it much easier to work with.
Pro Tip: While the dough chills, dice your tomatoes and shred your cheddar if you haven’t already. Pat the diced tomatoes dry with a paper towel to remove excess moisture.
Phase 3: Folding and Shaping (10 minutes)
Step 6: Remove the chilled dough from the refrigerator. The dough will now be firmer and hold together beautifully when molded. Gently fold in ¾ cup shredded cheddar and ½ cup diced tomato using a rubber spatula. Mix just until evenly distributed — overmixing will make the biscuits tough.
This is the game-changer: using wet hands (or lightly oiled hands), divide the dough into 6 equal portions. Wet hands prevent sticking and make handling the dough effortless. Roll each portion into a ball between your palms.
Step 7: Place each ball into a cavity of the silicone muffin mold. Press the dough gently to fill the entire cavity and flatten the top slightly. The dough should reach about ¾ of the way up the mold.
Step 8: Top each biscuit with a small sprinkle of the remaining ¼ cup cheddar and a thin slice of fresh tomato. Press the toppings gently into the surface so they adhere during baking.
Pro Tip: For extra visual appeal, add a tiny sprig of fresh basil or a crack of black pepper before baking.
Phase 4: Baking and Cooling (30 minutes)
Step 9: Bake for 25–30 minutes until the tops are golden brown and a toothpick inserted in the centre comes out clean. The biscuits will puff slightly and develop a beautiful golden colour. The cheese on top should be melted and just starting to brown.
Pay close attention to this next part: do not attempt to remove the biscuits from the silicone mold immediately. Let them cool in the mold for 5–10 minutes first. This allows the structure to set and prevents them from breaking apart.
Step 10: After the initial cooling period, gently flex the silicone mold to release each biscuit. They should pop out easily with no sticking. Transfer immediately to a cooling rack to prevent soggy bottoms.
Pro Tip: For a crispier exterior, place the cooled biscuits under the broiler for 1–2 minutes, watching carefully to prevent burning.
Troubleshooting
Common Mistakes
Problem: Biscuits are too wet or mushy inside
Solution: You likely used fat-free or low-fat cottage cheese, didn’t add enough psyllium, or didn’t let the dough chill long enough. Psyllium needs time to absorb moisture fully — 30 minutes minimum in the refrigerator. Next time, add an extra tablespoon of psyllium if your cottage cheese has higher liquid content. Also ensure your tomatoes are patted completely dry before folding them into the dough.
Problem: Biscuits stick to the silicone mold
Solution: This rarely happens with silicone, but if it does, your mold may be damaged. Wheat-free doughs stick notoriously to metal pans even when greased, so always use silicone molds for this recipe. If you must use metal, line with parchment paper and still expect some sticking. For damaged silicone, it’s time to replace the mold.
Problem: Biscuits are too dense or heavy
Solution: Overmixing is the culprit. When you fold in the cheese and tomatoes, use gentle folding motions rather than vigorous stirring. Also check your baking powder — if it’s old, it won’t provide enough lift. Test it by dropping a spoonful in warm water; it should fizz vigorously.
Problem: Tops burn before insides are cooked
Solution: Your oven runs hot or the baking sheet was placed too close to the heating element. Reduce temperature to 350°F (175°C) and extend baking time by 5–10 minutes. Place the baking sheet on the middle rack, or loosely tent the biscuits with aluminum foil halfway through baking if the tops are browning too quickly.
Problem: Biscuits lack flavour or taste bland
Solution: Don’t skip the Ranch seasoning — it adds significant savoury depth. Use extra-sharp aged cheddar, not mild. Ensure you’re using 4% cottage cheese, not fat-free, as fat carries flavour. Add a generous pinch of salt even though the cheese and Ranch seasoning contain sodium.
Problem: Biscuits fall apart when sliced
Solution: You removed them from the silicone mold too soon — they need that initial 5–10 minute cooling period to set their structure. If still crumbly once cooled, increase psyllium to 4 tablespoons total next time. Also ensure you’re measuring almond flour correctly — spoon it into the measuring cup rather than scooping, which compacts it and throws off the ratio.
Make It Your Own
Variations
Everything Bagel Biscuits
Omit the tomatoes and Ranch seasoning. Replace cheddar with cream cheese (folded in) and top with everything bagel seasoning before baking. Makes an incredible breakfast sandwich base with smoked salmon and cream cheese.
Jalapeño Popper Biscuits
Replace tomatoes with diced pickled jalapeños (well-drained) and fold in ¼ cup crispy bacon bits along with the cheddar. Add 2 ounces softened cream cheese to the cottage cheese mixture for extra richness. Perfect with chili or as a game-day snack.
Italian Herb Biscuits
Use mozzarella and Parmesan instead of cheddar, replace tomatoes with sun-dried tomatoes (⅓ cup), and add 1 tablespoon Italian seasoning plus 1 teaspoon garlic powder. Serve alongside low-carb marinara for dipping or use as pizza biscuits.
Bacon Cheddar Scallion Biscuits
Replace tomatoes with ½ cup crispy bacon bits and ¼ cup sliced green onions. Add 1 teaspoon smoked paprika to the dry ingredients for depth. Phenomenal served warm with butter or used for breakfast sandwiches.
Greek-Inspired Feta Biscuits
Swap cheddar for crumbled feta, add ¼ cup chopped kalamata olives and ¼ cup diced roasted red peppers instead of tomatoes. Include 1 teaspoon dried oregano and ½ teaspoon garlic powder. Serve with tzatziki or as a Mediterranean brunch option.
Sweet Cinnamon Biscuits
Omit all savoury ingredients (cheese, tomato, Ranch). Add 3 tablespoons powdered erythritol, 1 tablespoon cinnamon, and 1 teaspoon vanilla extract to the cottage cheese mixture. Top with a cream cheese glaze (cream cheese, butter, powdered sweetener, vanilla) after cooling. A keto dessert or sweet breakfast treat.
Serving Ideas
How Should You Serve These Biscuits?
Classic Breakfast Pairings
- Warm with butter — split the biscuit while hot and slather with grass-fed butter
- Breakfast sandwich base — top with fried egg, avocado, and crispy bacon
- With scrambled eggs and sautéed spinach for a balanced morning meal
Hearty Brunch Options
- Eggs Benedict style — use as the base for poached eggs, Canadian bacon, and sugar-free hollandaise
- Biscuits and gravy — make low-carb sausage gravy using almond milk and xanthan gum
- Smoked salmon platter — serve with cream cheese, capers, red onion, and cucumber
Elegant Lunch & Dinner Ideas
- Soup companion — alongside low-carb tomato soup, broccoli cheddar soup, or chicken vegetable soup
- Burger bun substitute for juicy beef patties
- Sandwich bread — layer with turkey, bacon, lettuce, tomato, and mayo
- Dinner side — serve warm alongside grilled steak, roasted chicken, or pan-seared salmon
Keeping It Fresh
How Do You Store These Biscuits?
Room Temperature Storage
Store completely cooled biscuits in an airtight container at room temperature for up to 2 days. Place parchment paper between layers to prevent sticking. The biscuits will soften slightly at room temperature but maintain their flavour. For best texture, toast briefly before serving.
Refrigerator Storage
Store in an airtight container or resealable bag in the refrigerator for up to 5 days. The biscuits firm up considerably when cold, making them perfect for slicing and toasting. To reheat, microwave for 20–30 seconds or toast in a 350°F (175°C) oven for 5–7 minutes.
Freezer Storage
Freeze individually wrapped in plastic wrap, then store together in a freezer-safe bag for up to 3 months. To thaw, remove from freezer the night before and refrigerate overnight, or microwave from frozen for 45–60 seconds. For best texture, refresh thawed biscuits in a 350°F (175°C) oven for 8–10 minutes.
Pro Tip for Batch Baking: Double or triple this recipe and freeze extras. On busy mornings, grab a frozen biscuit, microwave for 1 minute, add butter, and have a hot high-protein keto breakfast in under 2 minutes.
What to Expect
Texture and Taste
The texture of these keto biscuits is remarkably similar to traditional biscuits — tender interior with a slightly crisp exterior. The cottage cheese keeps them incredibly moist without greasiness. Where they go beyond traditional biscuits is in depth of flavour: the sourdough discard adds a subtle tang that regular biscuits lack, and the aged cheddar provides intense savoury notes that make these taste more sophisticated than standard cheddar biscuits.
Traditional biscuits can leave you hungry within an hour as blood sugar dips. These may help keep you full and energized for longer, thanks to the protein and quality fats — a solid trade for anyone following a flexible keto approach.
By the Numbers
Important Note on Nutritional Values
The nutritional breakdown provided is for general guidance only and based on the specific brands used. Values can vary significantly between brands. Additionally, certain brands may be exclusive to specific countries or have different formulations due to regulatory requirements — for example, Canada does not allow “sugar free” claims, only “No Added Sugar,” so the same brand may have different nutritional labels in different countries. Carbs from brown sugar sweetener (sugar alcohols/non-nutritive sweeteners that aren’t metabolized), psyllium husks (pure fibre that isn’t absorbed), or the small amount of sugar used to activate yeast (when part of a recipe) are not counted, since the yeast consumes a significant portion during activation. Bob’s Red Mill Double Acting Baking Powder (zero carbs) is used in these calculations. Always calculate your own nutritional values based on the actual brands and quantities you use — your numbers are what matter for your goals.
Disclaimer: All information provided regarding the health benefits of sourdough low-carb bread is intended for educational purposes only. The content presented is not meant to be taken as specific medical advice.
Low Carb High Protein Tomato Cheddar Biscuits
This recipe builds on your Low Carb High Protein Sourdough Discard Basic Biscuit Recipe and offers a few simple ways to customize flavor without compromising on taste. For a lower-fat option, use just ½ cup of extra-sharp aged cheddar instead of the full cup—the cheese’s bold, intense flavour allows you to use less while still achieving a rich, cheesy profile. If you prefer a different kind of heat or have other ingredients on hand, feel free to substitute red Thai chili peppers with jalapeños. Remember to use a silicone mold so your biscuits hold their shape during baking. Remember to use a silcone mold so that the biscuits keep their shape.
- Prep Time: 5 minutes
- Cook Time: 25-30 Minutes
- Total Time: 30-35 Minutes
- Yield: 6
- Category: Discard Diva
- Method: Baking
- Cuisine: Biscuits
- Diet: Diabetic
Ingredients
- 1 cup (225 g) 4% fat cottage cheese
- 2 eggs
- 2 teaspoons (10 ml) apple cider vinegar (optional)
- ½ cup (120 g) living starter (Almond Flour + Coconut Flour)
- 2 cups (192 g) extra fine or sifted almond flour
- 3 tablespoons (24 g) whole psyllium husks (+ 1 tablespoon more if needed)
- 1 package of Ranch dressing seasoning (0 carb) (optional)
- 2 teaspoons or 1 tablespoon (10-15 g) baking powder (add more when adding heavy ingredients)
- ¾ cup + ¼ cup (115 g) extra old Cheddar
- ½ cup (90 g) diced fresh tomato
- Olive oil or avocado spray (optional)
Instructions
- Preheat your oven to 375°F (180°C) and line a baking sheet with parchment paper.
- In a mini mixer or blender combine the cottage cheese, eggs and apple cider vinegar.
- Transfer to a large mixing bowl.
- To the mixing bowl add ½ cup Sinless Sourdough living starter.
- Your Sinless living starter (specifically the coconut & almond flour blend) will be dry and crumbly. That’s perfect. Do not add water.
- Add almond flour, psyllium, seasoning and baking powder. Mix into a moist dough.
- If the dough is too wet add one tbsp at a time of psyllium.
- If the dough is too dry add 1 tbsp at a time of milk (cow’s, almond, coconut)
- Shape moist dough into a ball, pulling in all pieces.
- Cover the bowl with a clean dish towel.
- Refrigerate, letting the dough stiffen for 30 to 60 minutes.
- The dough will now be firmer and will hold together when molded.
- Fold into the dough 3/4 cup of shredded Cheddar and the diced tomato.
- Divide the dough into 6 equal portions.
- Roll each portion into a ball.
- Place each ball into the a cavity of the silicon muffin mold.
- Press the dough to fill the cavity and flatten the top.
- Add more cheese and a thin slice of tomato to each muffin.
- Bake for 25 to 30 minutes or until golden.
- Remove from oven. Let cool in the silicon mold.
Notes
Important Note on Nutritional Values: The nutritional breakdown provided is for general guidance only and based on the specific brands I use. Values can vary significantly between brands. I don’t count carbs from the brown sugar sweetener (sugar alcohols/non-nutritive sweeteners that aren’t metabolized) or psyllium husks (pure fiber that isn’t absorbed). Always calculate your own nutritional values based on the actual brands and quantities you use – your numbers are what matter for YOUR goals!
Nutritional Values: Net carbs are slightly higher due to tomato (sugar)
| Calories | ~344 kcal |
| Fat | ~17.4 g |
| Protein | ~20.7 g |
| Total Carbs | ~15 g |
| Fiber | ~10.1 g |
| Net Carbs | ~4.8 g |
Pro Tips
- Heart-Smart Option: Swap 4% cottage cheese with fat-free cottage cheese plus 2 to 3 tablespoons of avocado or olive oil
- Less Tang For Savoury Options: Add 2 to 2 tbsp powdered sweetener to dough
- Flavour Boost: Add a tablespoon of nutritional yeast for umami depth and roundness of flavour of biscuits
Equipment Needed:
- Silicon muffin mold (for 6)
- Mini mixer or blender
- Large mixing bowl
- Rubber Spatula
- Small bowl for egg wash
- Pastry brush
- Cooling rack
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