The Keto Baking Mechanic™ — Recipes

90 Second Keto Southern Pecan Pie Squares

Where We Create, Tweak and Enhance

Keto and Low Carb Breads and Baked Goods

🍒 Pecan Pie Meets Chia Pudding — Ready in 90 Seconds

If you’ve been chasing something that tastes like pecan pie and chia pudding had a delicious low-carb baby — and you can make it in 90 seconds — you’ve just found it.

These 90 Second Keto Southern Pecan Pie Squares are microwaved in a 5.5″ x 5.5″ glass dish, refrigerated until firm, and cut into four generous squares. Rich. Satisfying. And made with ingredients that actually nourish you.

This isn’t a recipe that asks you to stand over the stove for an hour. This is keto baking that fits real life — microwave on, squares in the fridge, done.

SHOP Sinless Sourdough TODAY!

sinlesssourdough.com/shop/

The Difference

What Makes This Recipe Different

Most keto dessert squares lean on almond flour or coconut flour and end up dense, dry, or oddly crumbly. These squares don’t do any of that.

The structure here comes from chia seeds — and that changes everything. When chia seeds hydrate in warm milk they form a thick gel that acts as both a binder and a pudding base. Combined with egg yolks, melted butter, and toasted pecans the result sets firm enough to hold its shape as a square but melts on your tongue like a proper custard-based dessert.

You can also make these with or without a crust. Skip the crust and fold that 2 tablespoons of butter directly into the filling — it makes them even more delicious and you’ll get cleaner squares out of the dish.

Southern Roots

Why These Are Southern Pecan Pie Squares

Pecan pie is Southern. Full stop. Four things make it authentically Southern:

Toasted Pecans

Southern bakers always toast their pecans. It draws out the deep, buttery, slightly smoky flavour that makes Southern pecan pie taste the way it does. Raw pecans taste flat by comparison.

The Spice

Authentic Southern pecan pie uses cinnamon or nutmeg to warm and deepen the custard filling. Cinnamon brightens the filling. Nutmeg is subtler and more old-fashioned — the kind you’d find in a church cookbook from 1965. Both are correct. Both are Southern.

Salt

Every authentic Southern pecan pie includes a pinch of salt. It sharpens the pecans, balances the sweetness, and pulls everything together.

Restrained Sweetness

True Southern pecan pie is not cloying. The pecan flavour leads. The sweetness is present but never overwhelming. The ¼ cup sweetener version is the more authentically Southern choice — it lets the toasted pecans carry the flavour.

Philosophy

About Measurements and Precision

Traditional baking teaches that baking is science — meaning it must be precise. 90 Second Keto baking doesn’t always follow that traditional model.

Gram measurements, where listed, are approximate reference points based on commonly available brands. Ingredient density can vary depending on:

• Brand
• Grind size
• How tightly ingredients are packed
• Humidity
• Storage conditions

Trust the process and watch the batter, not just the measurements.

The Science

Why It Works

Traditional pecan pie relies on corn syrup and sugar to create its thick, glossy filling. That’s also what makes it a significant blood sugar event.

Chia seed gel solves this problem beautifully. When chia seeds hydrate in warm milk they release a natural soluble fibre called mucilage — and that gel behaves remarkably like a custard base. It’s thick. It’s smooth. It sets when chilled.

This is not a compromise version of pecan pie. It’s a structurally honest translation of what pecan pie custard is actually trying to do — without the corn syrup, without the sugar, and with a fraction of the saturated fat.

Choose Your Base

The Milk Makes a Difference

What to Expect

Taste and Texture

Expect warm spiced chia pudding in solid square form. There’s a deep caramel-adjacent flavour from the brown sugar sweetener, nuttiness from toasted pecans, and a subtle richness that lingers.

The texture is firm enough to hold in your hand and soft enough that it melts rather than chews.

What You’ll Need

Ingredient Breakdown

2 tbsp chia seeds

The structural backbone of this recipe. When hydrated in warm milk chia seeds release a natural soluble fibre that forms a thick gel — mimicking traditional pecan pie custard without the corn syrup or sugar spike. You almost certainly won’t taste them once the pecans and vanilla are in the picture.

½ cup milk or cream of choice

Fairlife for maximum richness. Almond milk for lighter results. Coconut milk for richness with a tropical note. Heavy cream for the deepest most indulgent custard base.

2 egg yolks

Fat, richness, and custard texture. Room temperature is fine.

2 tbsp butter, melted

Fold directly into the filling when making without a crust. Adds flavour and richness to every bite.

¼ to ½ cup brown sugar keto sweetener

Sweetener carbs are not counted in the nutritional values as erythritol-based sweeteners have negligible glycemic impact. Start at ¼ cup for lightly sweet. Go to ½ cup for a true dessert experience.

¾ cup toasted pecan pieces + ¼ cup toasted whole pecans

Always toast your pecans first — it takes five minutes and makes a significant difference in flavour depth. The pieces fold into the filling. The whole pecans go on top with a sprinkle of brown sugar sweetener that caramelises slightly during microwaving.

1 tsp pure vanilla extract

Rounds out the custard flavour and deepens the pecan pie character.

½ tsp cinnamon or nutmeg

The spice that takes these from keto squares to Southern pecan pie squares. Use one or the other — not both.

Pinch of salt

Balances the sweetness, sharpens the pecans, and pulls all flavours into focus. Don’t skip it.

½ tsp xanthan gum (optional but recommended)

What pulls these together as squares rather than pudding. Leave it out for a softer, more spoonable result.

Version D — With Almond Flour Crust (add butter to crust only)

• Avocado oil spray for greasing
• ½ cup almond flour
• 2 tbsp butter melted (for crust only)
• 2 tbsp protein isolate

Version C — Mugcakes Only

• Substitute unsweetened almond milk
• Reduce to ⅓ cup pecans total
• Use ¼ cup sweetener

What You’ll Need

Equipment

• 5.5″ x 5.5″ microwave-safe glass dish
• Microwave
• Small bowl for heating milk
• Mixing bowl
• Refrigerator

That’s the whole list. No stand mixer. No oven. No special pans.

Let’s Bake

Step-by-Step Instructions

Step 1 — Warm the Milk

Pour ½ cup of your chosen liquid into a microwave-safe bowl. Heat for 1 minute.

Step 2 — Make the Chia Gel

Add 2 tablespoons of chia seeds to the warm milk. Stir to combine. Let sit for 5 to 10 minutes until thickened into a gel. Don’t rush this step.

Step 3 — Add Remaining Filling Ingredients

Once the chia gel has formed add the 2 egg yolks, 2 tablespoons of melted butter (if making without crust), 1 teaspoon of vanilla extract, ½ tsp cinnamon or nutmeg, a pinch of salt, and your brown sugar sweetener. Mix well.

Step 4 — Add Xanthan Gum (Optional)

If using add ½ tsp xanthan gum and stir through.

Step 5 — Fold in Pecan Pieces and Pour

Fold the ¾ cup of toasted pecan pieces into the filling. Pour into your glass dish and spread evenly.

Step 6 — Top and Finish

Arrange the ¼ cup of whole toasted pecans across the surface. Sprinkle with a little brown sugar sweetener for a lightly caramelised top.

Step 7 — Microwave Uncovered

Step 8 — Cool and Refrigerate

Let cool slightly then refrigerate for at least a few hours or overnight. Don’t cut them too soon.

Step 9 — Slice and Serve

Slice into 4 squares. The first square may break apart if you’ve used a crust — the other three will come out cleanly. All four taste exactly the same.

Troubleshooting

Common Mistakes

Make It Your Own

Variations

Strict Keto / Lowest Carb Version

Unsweetened almond milk + ¼ cup sweetener. Skip the crust. Approximately 1.0g net carbs per half square.

Richest / Most Pecan Pie-Like Version

Fairlife whole milk + ½ cup sweetener. Skip the crust and fold the butter into the filling. Approximately 1.1g net carbs per half square.

Full-Out Strict Keto Version

Swap milk for 35% heavy cream. The most pecan pie-like richness this recipe can deliver.

Version D — With Almond Flour Crust

Grease your glass dish first. Combine almond flour, protein isolate, and melted butter. Press into bottom of dish. Proceed with filling as normal. Remember — butter goes in the crust OR the filling, not both.

Version C — Mugcakes

Use unsweetened almond milk, ¼ cup sweetener, and reduce pecans to ⅓ cup total. Divide filling between 4 mugs and microwave each individually for 90 seconds. Eat warm from the mug with a spoon.

Coconut Milk Variation

A rich result with a mild coconut flavour — a beautiful pairing with toasted pecans.

By the Numbers

Nutritional Values

Version A — Fairlife Whole Milk + ½ Cup Sweetener + 1 Cup Pecans

Version B — Unsweetened Almond Milk + ¼ Cup Sweetener + 1 Cup Pecans

Version C — Mugcakes — Almond Milk + ¼ Cup Sweetener + ⅓ Cup Pecans

Version D — With Almond Flour Crust — Fairlife + ½ Cup Sweetener + 1 Cup Pecans

Keeping It Fresh

Storage

Store in an airtight container in the refrigerator for up to 5 days. These squares actually improve overnight as the flavours deepen and the texture firms further.

No Microwave?

Alternative Baking — Convection Oven, Toaster Oven, or Air Fryer

No microwave? No problem. These squares bake beautifully at 350°F (175°C) — and the oven method gives the top a more golden, set appearance that looks stunning when serving guests.

Prepare the filling exactly as you would for the microwave version. Pour into your greased glass dish, top with whole pecans and the sweetener sprinkle, then bake uncovered for 8 to 12 minutes.

Start checking at 8 minutes. You’re looking for set edges and a slight jiggle in the centre — like a just-set cheesecake. The refrigerator will finish the job.

Setting Expectations

The Practice Batch Philosophy

The first time you make these you’re learning how your microwave behaves, how firmly your chia gel sets, and how sweet you like the result. That’s your practice batch. Make notes. Adjust the sweetener. Decide whether you want the xanthan gum.

By the second batch you’ll have a personalised version dialled in that consistently hits exactly what you want.

The good news: even your first batch will be delicious.