Sweet Potato Brownies Rich Fudgy

Featured in: Happy Bites

These brownies combine mashed sweet potato and black beans to create a rich, fudgy texture without traditional flour. Naturally gluten-free and boosted with fiber and protein, they offer a wholesome twist on a classic dessert. Sweetened with maple syrup and enriched with cocoa and dark chocolate chips, each bite is moist and deeply flavorful. Perfect for easy preparation with common kitchen tools, this treat can be customized with nuts, underbaked for extra fudginess, and stored chilled or frozen.

Updated on Mon, 17 Nov 2025 11:51:00 GMT
Fudgy sweet potato brownies, featuring a crackly top, are ready for slicing and enjoying. Save
Fudgy sweet potato brownies, featuring a crackly top, are ready for slicing and enjoying. | munchhug.com

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

These brownies were my go-to treat when I wanted something decadent without any flour or refined sugar. The sweet potato lends moisture and extra richness, and even picky eaters can't detect the beans. I introduced them at a family dinner and nobody guessed they were secretly healthy.

Ingredients

  • Cooked sweet potato, mashed: 1 cup (240 g), about 1 medium
  • Black beans, drained and rinsed: 1 can (425 g/15 oz)
  • 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 (certified gluten-free if needed): 1/3 cup (40 g)
  • 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)
  • Optional: Chopped walnuts or pecans: 1/3 cup (35 g)

Instructions

Prep the pan and oven:
Preheat oven to 350°F (175°C). Line an 8-inch (20 cm) square baking pan with parchment paper or grease lightly.
Blend vegetables:
In a food processor, combine black beans and mashed sweet potato. Blend until completely smooth.
Add remaining ingredients:
Add maple syrup, melted coconut oil, cocoa powder, oat flour, vanilla, baking powder, and salt. Blend again until well combined and creamy.
Stir in add-ins:
Stir in chocolate chips and nuts, if using, by hand.
Bake:
Pour batter into the prepared pan and spread evenly. Bake for 28-32 minutes, or until the center is set and a toothpick comes out mostly clean with a few moist crumbs.
Cool & serve:
Cool completely in the pan before slicing into squares.
Warm, rich sweet potato brownies with melted chocolate chips, perfect for a gluten-free dessert treat. Save
Warm, rich sweet potato brownies with melted chocolate chips, perfect for a gluten-free dessert treat. | munchhug.com

My kids love helping blend the beans and sweet potato, and this recipe has become a staple at birthday parties where parents appreciate a treat that's both delicious and nutritious.

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. May contain soy or dairy if using some chocolate chips. Always check labels for allergens. Gluten-free if using certified GF oat flour.

Nutritional Information

Per serving: 145 calories, 6 g total fat, 22 g carbohydrates, 3 g protein.

These decadent sweet potato brownies show off a delightful, brownie-like texture, ready to serve and savor. Save
These decadent sweet potato brownies show off a delightful, brownie-like texture, ready to serve and savor. | munchhug.com

Enjoy these brownies fresh, and savor every bite knowing they're as nourishing as they are decadent.

Recipe Guide

What gives these brownies their fudgy texture?

The combination of mashed sweet potato and black beans creates a dense, moist base that mimics the classic fudgy consistency.

Can I substitute any ingredients for dietary needs?

Yes, coconut oil can be replaced with unsalted butter, and walnuts or pecans can be omitted or swapped based on allergies or preference.

How can I make the brownies extra fudgy?

Underbake slightly and chill the brownies before slicing to enhance the fudgy, moist texture.

Are these brownies gluten-free?

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

What kitchen tools are needed to prepare these brownies?

A food processor or blender for blending, an 8-inch square baking pan, mixing bowl, spatula, and optionally parchment paper.

How should I store leftovers?

Store in an airtight container up to 5 days at room temperature or freeze for up to 2 months.

Sweet Potato Brownies Rich Fudgy

Rich, fudgy brownies made healthier using sweet potato and black beans, naturally gluten-free and packed with nutrients.

Prep duration
20 min
Heat time
30 min
Complete duration
50 min
Created by Samantha Reed


Skill level Easy

Heritage American

Output 12 Portions

Nutrition preferences Meat-free, No gluten

Components

Vegetables & Legumes

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

Baking Ingredients

01 ½ cup pure maple syrup (or honey)
02 ¼ cup coconut oil, melted (or unsalted butter)
03 ½ cup unsweetened cocoa powder
04 ⅓ cup oat flour (certified gluten-free if required)
05 1 teaspoon pure vanilla extract
06 1 teaspoon baking powder
07 ¼ teaspoon salt

Add-Ins

01 ½ cup dark chocolate chips (dairy-free if needed)
02 Optional: ⅓ cup chopped walnuts or pecans

Method

Phase 01

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

Phase 02

Blend base mixture: In a food processor, combine black beans and mashed sweet potato and blend until completely smooth.

Phase 03

Incorporate dry and wet ingredients: Add maple syrup, melted coconut oil, cocoa powder, oat flour, vanilla extract, baking powder, and salt. 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 to maintain texture.

Phase 05

Transfer batter to pan: Pour the batter into the prepared pan and spread evenly for uniform baking.

Phase 06

Bake brownies: 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 to cool completely in the pan before slicing into 12 squares to preserve structure.

Tools needed

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

Allergy alerts

Review ingredients carefully for potential allergens and seek professional medical guidance if concerned.
  • Contains tree nuts if nuts are added; possible traces of soy or dairy in chocolate chips.
  • Gluten-free if using certified gluten-free oat flour.

Dietary info (per portion)

Values shown are estimates only - please consult healthcare providers for specific advice.
  • Energy: 145
  • Lipids: 6 g
  • Carbohydrates: 22 g
  • Proteins: 3 g