
Protein Brownies with a balanced mix of protein, vegetables, and satisfying texture.
Fudgy, Protein-Packed Brownies That Sneak in Veggies
Dark, dense, and surprisingly wholesome—these brownies use black beans and mashed sweet potato for a fudgy, protein-forward treat that doubles as dessert or a post-workout snack.
If you like your brownies rich and squidgy rather than cakey, this is your shortcut. Canned black beans and mashed sweet potato form the base, giving these bars a glossy, almost truffle-like interior while keeping the crumb unexpectedly moist. Chocolate protein powder and unsweetened cocoa deepen the chocolate flavor, almond butter and eggs add richness, and a touch of maple syrup rounds everything into a dessert that actually feels indulgent.
This recipe exists to solve two common kitchen problems: how to get more protein into sweet treats without turning them into dense health food, and how to make a quick batch of something that travels well. Everything gets blended in a food processor until silky smooth, then bakes up in about 22 minutes—short enough for a weeknight finish. Rinsing the canned beans cuts excess sodium, and lining the pan with parchment makes removal and slicing mess-free. The finished squares are great warm with a smear of yogurt or cold straight from a lunchbox.
A few practical tips: blend until completely smooth so there’s no bean grit, and if the batter seems stubbornly thick you can stir in up to 1 tablespoon of almond milk or water to make it scoopable. Stir or press a handful of dark chocolate chips into the top before baking for glossy melt spots, and don’t skip the ground flaxseed—it helps bind and gives a slight nutty chew. These keep well refrigerated and freeze beautifully between parchment layers, so you can portion them out for quick snacks or a protein-rich dessert whenever the craving hits.
Ingredients
How to Make Protein Brownies
- Preheat the oven to 350°F (175°C) and line an 8x8-inch baking pan with parchment, leaving an overhang for easy removal.
- Drain and rinse the canned black beans well to reduce sodium, then place the drained beans and the mashed sweet potato in a food processor or high-speed blender.
- Add the eggs, almond butter, maple syrup, chocolate protein powder, unsweetened cocoa powder, ground flaxseed, baking powder, salt, and vanilla to the food processor.
- Blend until the mixture is very smooth and uniform, scraping down the sides once or twice; the batter should be thick but scoopable (add up to 1 tbsp water or almond milk only if excessively thick).
- Fold 2 tbsp of the dark chocolate chips into the batter with a spatula, then transfer the batter to the prepared pan and smooth the top with an offset spatula; sprinkle the remaining chips on top.
- Bake on the middle rack for 20–25 minutes, until the edges are set and a toothpick inserted near the center comes out mostly clean with a few moist crumbs (they finish firming as they cool).
- Cool the pan on a wire rack for at least 30 minutes, then lift the brownies out using the parchment overhang and chill 20–30 minutes for cleaner slices if you prefer firmer squares.
- Cut into 4 equal portions and serve. Store leftovers in an airtight container in the refrigerator for up to 5 days or freeze individual portions for up to 2 months.
Recipe Card
Protein Brownies
Protein Brownies with a balanced mix of protein, vegetables, and satisfying texture.

- Prep
- 15 min
- Cook
- 22 min
- Servings
- 4
Ingredients
Instructions
- Preheat the oven to 350°F (175°C) and line an 8x8-inch baking pan with parchment, leaving an overhang for easy removal.
- Drain and rinse the canned black beans well to reduce sodium, then place the drained beans and the mashed sweet potato in a food processor or high-speed blender.
- Add the eggs, almond butter, maple syrup, chocolate protein powder, unsweetened cocoa powder, ground flaxseed, baking powder, salt, and vanilla to the food processor.
- Blend until the mixture is very smooth and uniform, scraping down the sides once or twice; the batter should be thick but scoopable (add up to 1 tbsp water or almond milk only if excessively thick).
- Fold 2 tbsp of the dark chocolate chips into the batter with a spatula, then transfer the batter to the prepared pan and smooth the top with an offset spatula; sprinkle the remaining chips on top.
- Bake on the middle rack for 20–25 minutes, until the edges are set and a toothpick inserted near the center comes out mostly clean with a few moist crumbs (they finish firming as they cool).
- Cool the pan on a wire rack for at least 30 minutes, then lift the brownies out using the parchment overhang and chill 20–30 minutes for cleaner slices if you prefer firmer squares.
- Cut into 4 equal portions and serve. Store leftovers in an airtight container in the refrigerator for up to 5 days or freeze individual portions for up to 2 months.
Nutrition
- Carbohydrates
- 52
- Saturated Fat
- 4.4
- Sodium
- 398
- Fiber
- 14
- Unsaturated Fat
- 14.3
- Protein
- 27
- Fat
- 19
- Cholesterol
- 93
- Trans Fat
- 0.1
- Calories
- 467
- Sugar
- 22