Keto Butter Pecan Blondies Recipe

These Butter Pecan Keto Blondies are rich with butter, vanilla, and pecans—an ideal low‑carb dessert that still tastes indulgent. Each blondie is about 2.4–2.5 net carbs, making them a great keto-friendly treat.

If you’re new to the keto diet, satisfying a sweet tooth might feel challenging at first. Low‑carb baking does have a learning curve because almond and coconut flours behave very differently from wheat flour. Once you learn a few tricks, though, you can make desserts that taste like the real thing.

Keto baking usually uses almond flour or coconut flour, each with distinct textures and absorption. Choosing a good sugar substitute is also important. Popular keto sweeteners include erythritol blends, monk fruit sweetener, and stevia‑based mixes. For these blondies, a brown sugar style erythritol (often sold as “brown sugar” Swerve or similar) provides the classic caramelized flavor without the carbs.

These almond flour blondies are naturally gluten‑free and family‑friendly. They deliver buttery flavor, warm vanilla notes, and a pleasant pecan crunch—without tasting like a “diet” dessert.

An almond flour blondie being held aloft.

Ingredients in Keto Blondies

These blondies use almond flour as a base and simple pantry ingredients to keep the texture tender and the flavor rich. Gather the following:

  • 3/4 cup unsalted butter, softened
  • 1 1/2 cups brown sugar style erythritol (brown sugar Swerve or similar)
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • 2 cups almond flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup chopped pecans

How to Make Keto Blondies

These butter pecan keto blondies are straightforward to prepare. The method focuses on creaming the butter and sweetener to trap a little air, then folding in the dry ingredients and pecans for a tender, slightly chewy bar.

  1. Cream the softened butter and brown erythritol together with a mixer until light and fluffy. This step helps keep the bars from becoming dense.
  2. Add the eggs and vanilla, mixing just until incorporated.
  3. Stir in the almond flour, baking powder, and salt until a smooth, thick batter forms. Avoid overmixing.
  4. Fold in the chopped pecans so they are evenly distributed.
  5. Line a 9×13‑inch baking pan with parchment paper or foil and lightly spray the surface with cooking oil to prevent sticking.
  6. Press the dough evenly into the prepared pan. Bake at 350°F (175°C) for 25–30 minutes, or until the top is lightly golden and a toothpick inserted in the center comes out clean.
  7. Allow the blondies to cool completely in the pan, then lift out using the parchment or foil and slice into bars. Sprinkle with flaky sea salt if you like a salty‑sweet contrast.
keto blondies that have been cut into squares.

Store

Store cooled blondies in an airtight container at room temperature for up to five days. For longer storage, freeze individual bars in a sealed container or freezer bag for up to three months; thaw at room temperature before serving.

Tips

  • Cream the butter and sweetener until light and fluffy—it takes a few minutes but yields a much better texture.
  • Almond flour works best for this blondie recipe. Substituting coconut flour or other grain‑free flours will change the texture and may require additional eggs or liquid.
  • Sprinkling flaky sea salt on the bars right after they come out of the oven enhances the buttery, caramel notes.

More Keto Desserts

  • The Best Keto Lemon Bars
  • No‑Bake Keto Cookies
  • 3‑Ingredient Keto Peanut Butter Fudge
  • Keto Key Lime Bars
  • Low‑Carb Blueberry Bars

Get the Recipe:
Butter Pecan Keto Blondies

Prep: 10 mins
Cook: 25 mins
Total: 35 mins
Yield: 20 bars
Author: Annie Holmes
Rating: 4.42 from 201 ratings
These Butter Pecan Keto Blondies combine rich butter, vanilla, and pecans into a low‑carb dessert that still feels indulgent. Net carbs are approximately 2.4 g per blondie.

Ingredients

  • 3/4 cup unsalted butter, softened
  • 1 1/2 cups brown sugar style erythritol
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • 2 cups almond flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup chopped pecans

Equipment

  • 9×13‑inch baking pan
  • Electric mixer or stand mixer
  • Parchment paper or aluminum foil
  • Mixing bowls and spatula

Instructions

  1. Preheat the oven to 350°F (175°C).
  2. Line a 9×13‑inch pan with parchment paper or foil and lightly spray with cooking oil.
  3. Using an electric mixer, beat the softened butter and brown erythritol until fully combined and the mixture is light and fluffy.
  4. Mix in the eggs and vanilla until just combined.
  5. Add the almond flour, baking powder, and salt. Mix until just combined—do not overmix.
  6. Fold in the chopped pecans evenly through the batter.
  7. Press the dough into the prepared pan and bake 25–30 minutes, until a toothpick inserted in the center comes out clean and the top is lightly golden.
  8. Cool completely before slicing. Sprinkle with sea salt if desired.

Notes

For a chocolate chip variation, replace the pecans with sugar‑free chocolate chips. Net carbs are approximately 2.4 g per blondie. Calories per serving are about 181 kcal with roughly 3.4 g total carbohydrates, 1 g fiber, and 13.6 g fat.