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Best Keto Brownies Recipe With a Fudgy Center and Crackly Top - Easy, Rich, and Satisfying

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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings 16 servings

Ingredients
  

  • 1/2 cup (113 g) unsalted butter
  • 3 oz (85 g) sugar-free dark chocolate chips or baking chocolate (70–85% cocoa or keto-friendly)
  • 3/4 cup (135 g) granulated erythritol or erythritol/monk fruit blend
  • 2 large eggs, room temperature
  • 1 tsp vanilla extract
  • 1/2 cup (48 g) unsweetened cocoa powder (Dutch-processed preferred for richer flavor)
  • 1/2 cup (50 g) fine almond flour (blanched, super-fine)
  • 1/4 tsp fine sea salt
  • 1/2 tsp espresso powder (optional, boosts chocolate flavor)
  • 1/2 tsp baking powder (optional for a tiny lift; skip for extra-dense)
  • 2–3 tbsp unsweetened almond milk or heavy cream, as needed for batter consistency
  • Optional mix-ins: 1/3 cup chopped walnuts or pecans, or extra sugar-free chocolate chips

Instructions
 

  • Prep your pan: Heat oven to 350°F (175°C). Line an 8x8-inch pan with parchment, leaving overhang for easy lifting. Lightly grease the sides.
  • Melt chocolate and butter: In a heatproof bowl, microwave butter and chocolate in 20–30 second bursts, stirring until smooth. Set aside to cool slightly.
  • Whisk sweetener and eggs: In a separate bowl, whisk erythritol and eggs for 1–2 minutes until lighter and slightly thick. This step helps create that crackly top.
  • Add vanilla and chocolate mixture: Whisk in vanilla, then slowly stream in the warm (not hot) chocolate-butter mixture until fully combined.
  • Mix dry ingredients: In another bowl, sift cocoa powder, almond flour, salt, espresso powder, and baking powder (if using). Sifting prevents lumps.
  • Combine wet and dry: Fold dry ingredients into the chocolate mixture. If the batter seems too thick, add 2–3 tbsp almond milk or cream until smooth and spreadable, but still thick.
  • Fold in extras: Stir in nuts or more chocolate chips if you like. Don’t overmix.
  • Bake: Spread batter into the pan, smoothing the top. Bake 18–22 minutes until the edges are set and a toothpick comes out with moist crumbs (not wet batter). For extra fudgy, lean toward the shorter time.
  • Cool and set: Let brownies cool in the pan on a rack for at least 30–45 minutes. This helps the center set and the top stay crackly.
  • Slice cleanly: Lift out using parchment. Use a sharp knife, wiping between cuts, for neat squares.