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Keto Pecan Pie Bars

Recipe by Ailene

These rich, gooey pecan pie bars feature a buttery almond flour shortbread crust topped with a deeply caramelized, nutty filling. They deliver all the classic flavor and texture of traditional pecan pie in an easy-to-slice, low-carb format.

  • Total Time3 hours 55 minutes
  • Yield16 bars (serves 16, 1 bar per serving) 1x

Ingredients

Scale

Shortbread Crust

  • 2 cups (190g) finely ground blanched almond flour
  • 10 tablespoons (140g) unsalted butter, cold and cubed
  • 3 tablespoons (24g) powdered keto-friendly sweetener (such as Swerve Confectioners)
  • 2 teaspoons vanilla extract
  • 1/4 teaspoon kosher salt

Pecan Filling

  • 3 cups (330g) pecans, roughly chopped
  • 1/2 cup (113g) unsalted butter
  • 1 cup (190g) keto-friendly brown sugar substitute (such as Sukrin Gold or Swerve Brown)
  • 1/2 cup (120ml) keto-friendly maple syrup
  • 2 tablespoons (30ml) heavy whipping cream
  • 2 teaspoons vanilla extract
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon ground cinnamon

Instructions

  1. Prepare the oven and pan: Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper, leaving a 2-inch overhang on two opposite sides to create a sling for easy removal.
  2. Mix the crust dough: In the bowl of a stand mixer fitted with a paddle attachment (or using a hand mixer), combine the almond flour, powdered sweetener, and 1/4 teaspoon kosher salt. Add the cold, cubed butter and 2 teaspoons of vanilla extract. Beat on medium speed for 3 to 4 minutes until the butter is fully incorporated and the mixture forms a cohesive, slightly sticky dough.
  3. Bake the crust: Transfer the dough to the prepared baking pan. Use your fingers or the back of a spoon to press it into a firm, even layer across the bottom. Bake for 12 to 15 minutes, or until the edges are just beginning to turn lightly golden. Leave the oven on.
  4. Simmer the caramel base: While the crust is baking, melt 1/2 cup of butter in a medium saucepan over medium heat. Whisk in the brown sugar substitute and keto maple syrup. Bring the mixture to a gentle boil and let it cook for 4 to 5 minutes, whisking frequently, until it slightly thickens and becomes deeply bubbly.
  5. Finish the filling: Remove the saucepan from the heat. Carefully whisk in the heavy whipping cream, remaining 2 teaspoons of vanilla extract, 1/2 teaspoon of kosher salt, and ground cinnamon. Fold in the chopped pecans until they are thoroughly coated in the hot caramel.
  6. Bake the bars: Pour the hot pecan filling evenly over the warm, pre-baked crust, spreading the nuts out into an even layer. Return the pan to the oven and bake for 22 to 25 minutes. The edges should be bubbling, and the center should jiggle only slightly when the pan is tapped.
  7. Cool and set completely: Remove the pan from the oven and let it cool at room temperature for 1 hour. Transfer the pan to the refrigerator to chill for at least 2 hours. This chilling step is essential to set the keto caramel so the bars slice cleanly.
  8. Slice and serve: Once fully chilled and firm, use the parchment paper sling to lift the block out of the pan onto a cutting board. Use a sharp, heavy knife to cut into 16 even squares.

Notes

Why It Works

  • Cold butter in the crust: Cutting cold butter into the almond flour creates a tender, sturdy shortbread structure that mimics traditional wheat-based crusts without becoming greasy.
  • Salt balances the sweetness: Keto sweeteners can sometimes have a flat sweetness profile; adding kosher salt to both the crust and the filling rounds out the flavors and enhances the natural nuttiness of the pecans.
  • Crucial chilling time: Because this recipe omits corn syrup, the keto-friendly syrups require time to fully cool and solidify in the fridge, ensuring the bars hold together beautifully when sliced.

Common Pitfalls to Avoid

  • Slicing too warm: If you try to cut these bars straight out of the oven or while still warm, the filling will run and the crust will crumble. Patience is key—chill them thoroughly.
  • Burning the caramel: Keto brown sugar substitutes can scorch faster than standard sugar. Keep the heat at medium and whisk constantly while the caramel simmers.
  • Skipping the parchment paper: The sticky pecan filling will fuse to a bare or lightly greased pan. A parchment sling guarantees you can easily remove the bars in one piece.

Variations

  • Chocolate Chunk Pecan Bars: Sprinkle 1/3 cup of sugar-free dark chocolate chips over the warm crust just before pouring the pecan filling on top.
  • Bourbon Pecan Bars: Swap 1 tablespoon of the heavy cream in the filling for 1 tablespoon of bourbon for a deeper, southern-inspired flavor profile.

Allergy Alert

This recipe contains tree nuts (almonds, pecans) and dairy (butter, heavy cream). If you are sensitive to sugar alcohols, check the labels on your specific keto sweeteners.

Nutrition (per serving — estimates)

Calories: 380 | Total Carbs: 6g (Fiber: 3g, Sugar: 1g) | Net Carbs: 3g | Fat: 37g (Saturated: 11g) | Protein: 5g | Sodium: 135mg

Nutritional values are approximate, based on standard reference data (USDA FoodData Central). Actual values vary by brand and exact measurements, especially concerning the subtraction of sugar alcohols and allulose to calculate net carbs. For precision, use a tracker like MyFitnessPal or Cronometer.

  • Prep Time: 15 minutes
  • Cooling Time: 60 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 380
  • Sugar: 1g
  • Sodium: 135mg
  • Fat: 37g
  • Saturated Fat: 11g
  • Carbohydrates: 6g
  • Fiber: 3g
  • Protein: 5g

Find it online: https://foodtrackergirl.com/2019/12/22/best-ever-pecan-pie-bars/