KETO SOURDOUGH DISCARD BAGUETTES
If you’ve been searching for keto bread that actually tastes like real bread—with a proper crust, soft interior, and that satisfying chew—these keto oven baked baguettes are about to change your low-carb baking game. Each batch makes three bakery-style baguettes at less than 1 net carb per slice, perfect for sandwiches, garlic bread, or simply enjoying warm with butter.
Note on “Keto” labelling:
This recipe is labelled keto because it’s designed to reduce blood sugar impact through ingredient choices and traditional fermentation methods—not because it requires strict dieting. Many people looking for healthier recipes, improved digestion, or more stable energy enjoy these recipes successfully, even if they don’t follow a ketogenic lifestyle.
Why This Keto Bread Recipe Works
Unlike many keto bread recipes that turn out dense, crumbly, or oddly textured, these oven baked baguettes use vital wheat gluten as the protein base—the same gluten that gives traditional bread its structure. Combined with carefully balanced hydration and low-carb binding agents, you get authentic bread texture without the blood sugar spike.
The vital wheat gluten creates that stretchy, elastic dough you remember from conventional baking, while psyllium husk powder and oat fibre provide structure and moisture retention. The result? Keto bread that slices clean, toasts beautifully, and freezes perfectly for meal prep.
📺 Watch the Full Tutorial
Want to see exactly how to shape and bake these keto oven baked baguettes? I walk through every step on my YouTube channel @ketobakingnechanic—from mixing in the bread machine to getting that perfect golden crust. Subscribe for more keto baking tutorials, troubleshooting tips, and low-carb recipe demonstrations.
What Makes These Keto Baguettes Special
Real Bread Structure: Vital wheat gluten provides authentic gluten development for proper rise and chew
Bakery-Style Crust: High-heat baking with optional steam creates a crispy, golden exterior
Freezer-Friendly: Slice before freezing and toast directly from frozen for quick meals
Versatile Base: Perfect for garlic bread, bruschetta, sandwiches, or alongside soups
Meal Prep Winner: Three baguettes from one batch means you’re set for the week
Who Will Love This Recipe
This keto bread recipe is perfect for anyone who misses real baguettes on a low-carb diet, bread machine owners looking to expand their keto baking repertoire, meal preppers who want to batch-bake and freeze sliced bread, or home bakers ready to level up from basic keto loaves to artisan-style baking.
Equipment
- Bread machine (DOUGH cycle only) or stand mixer with dough hook
- 3-slot baguette pan
- Parchment paper
- Plastic wrap or proofing cover
- Wire cooling rack
Ingredients
Wet Ingredients (Add FIRST)
- 1¼ cups (300 ml) spring water, room temperature (73–77°F / 23–25°C)
- 1 cup (240 g) Biome Boss™ sourdough discard
- 2 large eggs, room temperature
- 2 tablespoons (30 ml) olive oil or avocado oil
Dry Ingredients (Add SECOND – layer in order)
- 1½ cups (180 g) vital wheat gluten
- ½ cup (50 g) oat fibre
- ¼ cup (30 g) whole psyllium husks
- 1 teaspoon (6 g) Celtic or Himalayan salt (sprinkle around edges)
- 1 teaspoon (4 g) sugar (feeds yeast; does not add net carbs)
- 1 tablespoon (15 g) double-acting baking powder (zero-carb)
- 1 tablespoon (9 g) SAF instant yeast (add LAST, on top, away from liquids and salt)
Instructions
- Add all wet ingredients first to the bowl of a stand mixer.
- Add all dry ingredients on top of the wet ingredients, placing the SAF yeast on top of the dry ingredients.
- Using the flat beater attachment, mix on low speed for 1–2 minutes, until all ingredients are incorporated and no dry ingredients remain at the bottom of the bowl.
- If dry ingredients remain, add spring water 1 teaspoon at a time, mixing briefly after each addition, just until the dough comes together.
- Turn off the mixer and remove the bowl. Using a spatula, gather the dough into a rough ball.
- Cover the bowl with a clean tea towel and let rest for 30 minutes to allow the dough to fully hydrate and activate the yeast.
- Return the bowl to the stand mixer and attach the dough hook.
- Knead on low speed, then gradually increase to high speed. Knead for about 8 minutes, until the dough forms one cohesive piece and does not tear or break during mixing. The dough should resemble a thick log.
- Remove the dough from the mixer and transfer it to a clean work surface.
- Form the dough into a ball. Stretch the top surface of the dough and tuck it underneath, pinching at the bottom to seal. Repeat this motion about 6 times to create surface tension, which supports good oven spring.
- Place a baguette pan on a baking tray and line each cavity with parchment paper, or line a baking tray with parchment if a baguette pan is not available.
- Divide the dough into 3 equal portions. Weighing is recommended for even results.
- Roll each portion into a 12-inch rope, keeping the thickness even from end to end. Place into the prepared baguette pan.
- Cover with a tea towel and bulk ferment for 60 minutes.
- Preheat the oven to 400°F (205°C).
- Score three diagonal slashes across the top of each baguette to allow controlled expansion during baking.
- Bake for 25–30 minutes, until golden brown.
- Cool on the baking tray for 5 minutes, then transfer to a wire rack and cool completely before slicing.
Nutritional Information (Estimated)
Nutritional values are estimates only and will vary by brand, country, and measurement accuracy. For precision, calculate using your exact ingredients.
🥖 Biome Boss™ High-Protein Keto Baguettes
Yield: 3 baguettes · 12 slices each (36 slices total)
🧪 Nutrition Assumptions (Locked)
- Starter values reflect your Biome Boss™ feeding protocol
- Sugar is consumed during fermentation
- Net carbs shown already reflect fermented inputs
🍞 Entire Batch (3 Baguettes)
- Calories: 1,684 kcal
- Fat: 52.8 g
- Protein: 213 g
- Total Carbohydrates: 150 g
- Fibre: 123 g
- Net Carbohydrates: 27 g
🥖 Per Baguette (⅓ of Batch)
- Calories: ~561 kcal
- Fat: ~17.6 g
- Protein: ~71 g
- Total Carbohydrates: ~50 g
- Fibre: ~41 g
- Net Carbohydrates: ~9 g
🔪 Per Slice
(12 slices per baguette / 36 slices total)
- Calories: ~47 kcal
- Fat: ~1.5 g
- Protein: ~5.9 g
- Total Carbohydrates: ~4.2 g
- Fibre: ~3.4 g
- Net Carbohydrates: ~0.75 g
Ingredient Tips
- Weigh ingredients when possible for accuracy. Psyllium is essential for structure—don’t skip it. Use room-temperature ingredients for proper yeast activation. Do not substitute whole husks for powder. Olive or avocado oil both work well.
- Bread Machine Tips
- Ignore add-in beeps. Some machines prefer reversed layering—experiment if needed. Poor rise usually means inactive yeast or expired ingredients.
- Troubleshooting
- Dense bread: Yeast expired or dough under-proofed
Too crumbly: Add 1 tablespoon psyllium next time
Too moist: Reduce water by 2–3 tablespoons
Not flavourful enough: Try the sourdough discard version, or add 1 teaspoon garlic powder
Dough too dry: Add water 1 tablespoon at a time during mixing - Variations
- Herb: 1–2 teaspoons dried herbs (rosemary, thyme, Italian seasoning)
Seeded: 2–3 tablespoons mixed seeds (sesame, poppy, flax)
Garlic: 1–2 cloves minced + 1 teaspoon garlic powder
Everything: 2 tablespoons everything bagel seasoning
Equipment & Ingredient Links
🍁 CANADA
Starter & Membership:
Sinless Sourdough Dehydrated Starter
👉 www.sinlesssourdough.com
(Worth purchasing the membership – one-time payment)
Ingredients:
SAF Instant Dried Yeast
Anthony’s Vital Wheat Gluten
Anthony’s Oat Fibre
Anthony’s Psyllium Husks
Celtic Salt
Bob’s Red Mill Baking Powder (zero carbs)
🇺🇸 USA
Starter & Membership:
Sinless Sourdough Dehydrated Starter
👉 www.sinlesssourdough.com
(Worth purchasing the membership – one-time payment)
Equipment:
Baguette Pan
Ingredients:
SAF Instant Dried Yeast
Anthony’s Vital Wheat Gluten
Anthony’s Oat Fibre
Anthony’s Psyllium Husks
Celtic Salt
Bob’s Red Mill Baking Powder (zero carbs)
Why These Are the Best Keto Oven Baked Baguettes
After years of testing keto bread recipes, I’ve learned that the key to authentic texture lies in proper gluten development and hydration balance. These keto oven baked baguettes use the same techniques as traditional French bread—just with low-carb ingredients that won’t spike your blood sugar.
The optional keto sourdough discard adds complexity through traditional fermentation, pre-processing the ingredients for enhanced flavour and balance. But even without it, the protein structure from vital wheat gluten and the binding power of psyllium husk deliver keto bread that actually behaves like bread.
Whether you’re making sandwiches for the week, preparing garlic bread for dinner, or just want to enjoy toast with your morning eggs, these baguettes prove that keto baking doesn’t mean sacrificing quality or taste.
Ready to bake? Grab your ingredients, fire up your bread machine, and let’s make some proper keto bread together. Don’t forget to subscribe to @ketobakingnechamic on YouTube for the full video tutorial and more low-carb baking recipes.
Have you tried these keto oven baked baguettes? Leave a comment below and let me know whether you used the sourdough discard version! And if you’re new to keto baking, check out my starter guide at sinlesssourdough.com for everything you need to begin.
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DISCLAIMER
All information provided on this website 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.
PrintKETO SOURDOUGH DISCARD BAGUETTES
High-protein keto bread baguettes made with fermented sourdough discard. Crispy crust, soft crumb, and just ~0.75g net carbs per slice.
- Prep Time: 60
- Cook Time: 30
- Total Time: 90 Minutes
- Yield: 3 Baguettes
- Category: Discard Recipes, Side Dish
- Method: Baking
- Diet: Keto, Low-Carb
Ingredients
Wet Ingredients (Add FIRST)
- 1¼ cups (300 ml) spring water, room temperature (73–77°F / 23–25°C)
- 1 cup (240 g) keto sourdough discard* OR 1 cup (240 ml) warm water
- 2 large eggs, room temperature
- 2 tablespoons (30 ml) olive oil or avocado oil
Dry Ingredients (Add SECOND – layer in order)
- 1½ cups (180 g) vital wheat gluten
- ½ cup (50 g) oat fibre
- ¼ cup (30 g) whole ssyllium husks
- 1 teaspoon (6 g) Celtic or Himalayan salt (sprinkle around edges)
- 1 teaspoon (4 g) sugar (feeds yeast; does not add net carbs)
- 1 tablespoon (15 g) double-acting baking powder (zero-carb)
- 1 tablespoon (9 g) SAF instant yeast (add LAST, on top, away from liquids and salt)
Instructions
- Add all wet ingredients first to the bowl of a stand mixer.
- Add all dry ingredients on top of the wet ingredients, placing the SAF yeast on top of the dry ingredients.
- Using the flat beater attachment, mix on low speed for 1–2 minutes, until all ingredients are incorporated and no dry ingredients remain at the bottom of the bowl.
- If dry ingredients remain, add spring water 1 teaspoon at a time, mixing briefly after each addition, just until the dough comes together.
- Turn off the mixer and remove the bowl. Using a spatula, gather the dough into a rough ball.
- Cover the bowl with a clean tea towel and let rest for 30 minutes to allow the dough to fully hydrate and activate the yeast.
- Return the bowl to the stand mixer and attach the dough hook.
- Knead on low speed, then gradually increase to high speed. Knead for about 8 minutes, until the dough forms one cohesive piece and does not tear or break during mixing. The dough should resemble a thick log.
- Remove the dough from the mixer and transfer it to a clean work surface.
- Form the dough into a ball. Stretch the top surface of the dough and tuck it underneath, pinching at the bottom to seal. Repeat this motion about 6 times to create surface tension, which supports good oven spring.
- Place a baguette pan on a baking tray and line each cavity with parchment paper, or line a baking tray with parchment if a baguette pan is not available.
- Divide the dough into 3 equal portions. Weighing is recommended for even results.
- Roll each portion into a 12-inch rope, keeping the thickness even from end to end. Place into the prepared baguette pan.
- Cover with a tea towel and bulk ferment for 60 minutes.
- Preheat the oven to 400°F (205°C).
- Score three diagonal slashes across the top of each baguette to allow controlled expansion during baking.
- Bake for 25–30 minutes, until golden brown.
- Cool on the baking tray for 5 minutes, then transfer to a wire rack and cool completely before slicing.
Notes
Yield: 3 baguettes · 12 slices each (36 slices total)
🧪 Nutrition Assumptions (Locked)
- Starter values reflect your Biome Boss™ feeding protocol
- Sugar is consumed during fermentation
- Net carbs shown already reflect fermented inputs
🍞 Entire Batch (3 Baguettes)
- Calories: 1,684 kcal
- Fat: 52.8 g
- Protein: 213 g
- Total Carbohydrates: 150 g
- Fibre: 123 g
- Net Carbohydrates: 27 g
🥖 Per Baguette (⅓ of Batch)
- Calories: ~561 kcal
- Fat: ~17.6 g
- Protein: ~71 g
- Total Carbohydrates: ~50 g
- Fibre: ~41 g
- Net Carbohydrates: ~9 g
🔪 Per Slice
(12 slices per baguette / 36 slices total)
- Calories: ~47 kcal
- Fat: ~1.5 g
- Protein: ~5.9 g
- Total Carbohydrates: ~4.2 g
- Fibre: ~3.4 g
- Net Carbohydrates: ~0.75 g
📝 Nutrition Note (Recommended Wording)
Sugar added to the dough is consumed during fermentation.
Final net carbohydrate values already reflect fermented inputs and residual carbohydrates per serving.
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