Sweet Potato Brownies Fudgy

Featured in: Sweet Comfort Bakes

These brownies blend mashed sweet potato with black beans for a moist, fudgy texture without compromising richness. Sweetened with pure maple syrup and cocoa powder, they deliver a naturally gluten-free treat with added fiber and protein. Optional walnuts or pecans add crunch, while careful baking ensures a perfect center. Ideal for a nutritious dessert alternative, they can be chilled for extra fudginess or paired with vanilla ice cream for indulgence.

Updated on Mon, 17 Nov 2025 15:12:00 GMT
Fudgy sweet potato brownies, perfect gluten-free dessert, rich with dark chocolate chips and nuts. Save to Pinterest
Fudgy sweet potato brownies, perfect gluten-free dessert, rich with dark chocolate chips and nuts. | lovelyserena.com

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

I first tried these brownies when I was experimenting with healthier desserts for family gatherings. Everyone was amazed that sweet potato and black beans could create such moist, chocolaty treats!

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 (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 Pan:
Preheat oven to 350°F (175°C). Line an 8-inch (20 cm) square baking pan with parchment paper or grease lightly.
Blend Base:
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 the sides as needed.
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 & Slice:
Cool completely in the pan before slicing into squares.
Warm, freshly-baked sweet potato brownies, featuring a moist texture and delicious chocolate flavor, ready to eat. Save to Pinterest
Warm, freshly-baked sweet potato brownies, featuring a moist texture and delicious chocolate flavor, ready to eat. | lovelyserena.com

My family always enjoys these brownies as a surprise after dinner, and they never guess that sweet potatoes and beans are the secret ingredients!

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). Chocolate chips may contain traces of soy or dairy. Use certified gluten-free oat flour for gluten-free brownies. Check ingredient labels for allergens.

Nutritional Information (per serving)

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

Close-up of decadent sweet potato brownies, a healthy and satisfying dessert option, made with black beans. Save to Pinterest
Close-up of decadent sweet potato brownies, a healthy and satisfying dessert option, made with black beans. | lovelyserena.com

Enjoy these sweet potato brownies as a delicious treat any time of day—they are perfect for sharing or stashing in your lunchbox for a healthy snack.

Ask About This Recipe

How does sweet potato affect the brownie texture?

Sweet potato adds moisture and natural sweetness, creating a fudgy, tender texture while boosting fiber content.

Can black beans be substituted?

Black beans provide structure and protein; substituting with similar legumes may alter texture and flavor.

What is the purpose of oat flour here?

Oat flour provides a gluten-free base that helps hold the batter together without overpowering the flavor.

How to achieve extra fudgy brownies?

Slightly underbake the brownies and chill before slicing to enhance moistness and fudgy consistency.

Are nuts required in this version?

Nuts are optional and add a pleasant crunch but can be omitted for a smoother bite.

Sweet Potato Brownies Fudgy

Rich, fudgy brownies featuring sweet potato and black beans for a healthier twist.

Prep Duration
20 minutes
Cook Duration
30 minutes
Overall Time
50 minutes
Created by Serena Moore


Skill Level Easy

Cuisine American

Makes 12 Portions

Dietary Details No Meat, Wheat-Free

What You Need

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

How To Make It

Step 01

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

Step 02

Process Base Ingredients: Combine black beans and mashed sweet potato in a food processor. Blend until completely smooth.

Step 03

Incorporate Baking Ingredients: Add maple syrup, melted coconut oil, cocoa powder, oat flour, vanilla, baking powder, and salt to the food processor. Blend until well combined and creamy, scraping down sides as needed.

Step 04

Add Chocolate Chips and Nuts: Fold in chocolate chips and nuts by hand, if using.

Step 05

Transfer Batter: Pour batter into prepared pan and spread evenly.

Step 06

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

Step 07

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

Tools You'll Need

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

Allergy Details

Review ingredients for allergens and speak to your healthcare provider if you have concerns.
  • Contains tree nuts if nuts are added
  • May contain traces of soy or dairy from chocolate chips
  • Gluten-free if certified gluten-free oat flour is used

Nutrition per Portion

Details are for reference and aren't a substitute for expert medical guidance.
  • Energy: 145
  • Lipids: 6 g
  • Carbohydrates: 22 g
  • Proteins: 3 g