Sweet Potato Black Bean Brownies

Featured in: Homemade Bakes

These fudgy brownies combine mashed sweet potato and black beans for a moist, nutrient-rich dessert. Natural sweeteners like maple syrup balance the cocoa and coconut oil, while oat flour keeps them light and gluten-free. Adding dark chocolate chips and nuts enhances texture and flavor. Bake until just set, then cool before slicing for perfect squares. Ideal for a wholesome sweet treat packed with fiber and protein.

Updated on Mon, 17 Nov 2025 16:45:00 GMT
Fudgy sweet potato brownies, baked until the center is set, promising rich chocolate flavor. Save
Fudgy sweet potato brownies, baked until the center is set, promising rich chocolate flavor. | crumbnest.com

Rich, fudgy brownies made healthier with sweet potato and black beans—naturally gluten-free and packed with fiber and protein.

When I first baked these brownies, I was surprised at how the sweet potato made them moist and rich while hiding the taste of the beans entirely. My family couldn&t believe these treats were full of good-for-you ingredients!

Ingredients

  • Cooked sweet potato, mashed: 1 cup (240 g) about 1 medium
  • Black beans: 1 can (425 g/15 oz) drained and rinsed
  • Pure maple syrup (or honey): 1/2 cup (120 ml)
  • Coconut oil, melted (or unsalted butter): 1/4 cup (60 g)
  • Unsweetened cocoa powder: 1/2 cup (50 g)
  • Oat flour: 1/3 cup (40 g) certified gluten-free if needed
  • Pure vanilla extract: 1 tsp
  • Baking powder: 1 tsp
  • Salt: 1/4 tsp
  • Dark chocolate chips (dairy-free if needed): 1/2 cup (90 g)
  • Chopped walnuts or pecans (optional): 1/3 cup (35 g)

Instructions

Prepare pan:
Preheat oven to 350°F (175°C). Line an 8-inch (20 cm) square baking pan with parchment paper or grease lightly.
Blend beans & sweet potato:
In a food processor, combine black beans and mashed sweet potato. Blend until completely smooth.
Add wet & dry ingredients:
Add maple syrup, melted coconut oil, cocoa powder, oat flour, vanilla, baking powder, and salt. Blend again until well combined and creamy, scraping down sides as needed.
Mix in add-ins:
Stir in chocolate chips and nuts, if using, by hand.
Spread batter:
Pour batter into prepared pan and spread evenly.
Bake:
Bake for 28–32 minutes, or until center is set and a toothpick comes out mostly clean with a few moist crumbs.
Cool & slice:
Cool completely in pan before slicing into squares.
A tray of baked sweet potato brownies, featuring visible chocolate chips and a slightly cracked surface. Save
A tray of baked sweet potato brownies, featuring visible chocolate chips and a slightly cracked surface. | crumbnest.com

Sharing these brownies after Sunday dinner has become a little tradition in our house. Everyone loves the chocolatey squares, and it always sparks talk about the hidden veggies!

Required Tools

Food processor or blender, 8-inch (20 cm) square baking pan, mixing bowl, spatula, parchment paper (optional)

Allergen Information

Contains tree nuts if using nuts. Check chocolate chips for possible traces of soy or dairy. Always read labels for allergens.

Nutritional Information (per serving)

Calories 145, Total Fat 6 g, Carbohydrates 22 g, Protein 3 g

Delicious gluten-free sweet potato brownies, promising a delightful, naturally sweetened dessert experience. Save
Delicious gluten-free sweet potato brownies, promising a delightful, naturally sweetened dessert experience. | crumbnest.com

Enjoy these brownies any night of the week—they're an easy, crowd-pleasing treat. Make a batch and see how quickly they disappear!

Recipe FAQ

Can I substitute the sweet potato with another ingredient?

Yes, pumpkin puree can be used as a substitute for sweet potato, providing a similar moisture and flavor profile.

How do black beans affect the texture?

Black beans add moisture and create a dense, fudgy texture while boosting the protein and fiber content.

What is the best way to achieve a fudgier result?

Underbaking slightly and chilling before slicing helps achieve an extra fudgy consistency.

Are these brownies suitable for gluten-free diets?

Yes, using certified gluten-free oat flour ensures they are naturally gluten-free.

Can nuts be omitted or substituted?

Yes, nuts are optional and can be left out or replaced with seeds for added texture.

Sweet Potato Black Bean Brownies

Fudgy treats blending sweet potato and black beans for a wholesome, naturally gluten-free twist.

Prep duration
20 min
Cook duration
30 min
Complete duration
50 min
Created by Chloe Martin


Skill Level Easy

Heritage American

Output 12 Portions

Dietary considerations Meat-Free, No Gluten

Components

Vegetables & Legumes

01 1 cup cooked sweet potato, mashed (about 1 medium)
02 1 can (15 oz) black beans, drained and rinsed

Baking Ingredients

01 1/2 cup pure maple syrup (or honey)
02 1/4 cup coconut oil, melted (or unsalted butter)
03 1/2 cup unsweetened cocoa powder
04 1/3 cup oat flour (certified gluten-free if needed)
05 1 teaspoon pure vanilla extract
06 1 teaspoon baking powder
07 1/4 teaspoon salt

Add-Ins

01 1/2 cup dark chocolate chips (dairy-free if needed)
02 Optional: 1/3 cup chopped walnuts or pecans

Directions

Phase 01

Prepare the oven and pan: Preheat the oven to 350°F. Line an 8-inch square baking pan with parchment paper or grease lightly.

Phase 02

Blend beans and sweet potato: In a food processor, combine the black beans and mashed sweet potato. Blend until smooth.

Phase 03

Incorporate remaining ingredients: Add maple syrup, melted coconut oil, cocoa powder, oat flour, vanilla extract, baking powder, and salt to the blender. Blend until well combined and creamy, scraping down the sides as necessary.

Phase 04

Add chocolate chips and nuts: Stir in the dark chocolate chips and nuts (if using) by hand.

Phase 05

Fill the pan: Pour the batter into the prepared baking pan and spread evenly.

Phase 06

Bake: Bake for 28 to 32 minutes, until the center is set and a toothpick inserted comes out mostly clean with a few moist crumbs.

Phase 07

Cool and serve: Allow the brownies to cool completely in the pan before slicing into squares.

Tools needed

  • Food processor or blender
  • 8-inch square baking pan
  • Mixing bowl
  • Spatula
  • Parchment paper (optional)

Allergy details

Review each component for potential allergens and seek medical guidance if you're uncertain about ingredients.
  • Contains tree nuts if nuts are added; chocolate chips may contain traces of soy or dairy.
  • Gluten-free if certified gluten-free oat flour is used.

Nutritional information (each portion)

These values are approximate guides only and shouldn't replace professional medical consultation.
  • Energy: 145
  • Fats: 6 g
  • Carbohydrates: 22 g
  • Proteins: 3 g