Black Bean Brownies

Featured in: Soft Warm Bakes & Savory Treats

These black bean brownies deliver a rich, fudgy texture using wholesome black beans as a flour alternative. Blended with cocoa, chocolate chips, and a hint of vanilla, they create a deeply chocolatey treat that’s both gluten-free and satisfying. Easy to prepare, with options to add nuts or chill for extra fudginess, these brownies balance indulgence and nutrition in every bite.

Updated on Tue, 23 Dec 2025 14:17:00 GMT
Fudgy black bean brownies, warm from the oven, with a crackly top and chocolate chips. Save to Pinterest
Fudgy black bean brownies, warm from the oven, with a crackly top and chocolate chips. | olivefrost.com

I discovered black bean brownies completely by accident when a friend with celiac disease was coming over and I'd already committed to making dessert. Standing in my kitchen at midnight, staring at a can of black beans and a block of dark chocolate, I thought, why not? The result was so fudgy and rich that my friend asked for the recipe before she even finished her first bite, and I've been making them ever since—no apologies needed.

The first time I brought these to a potluck, I almost didn't tell anyone what was in them. But someone asked point-blank, and when I admitted the secret ingredient, half the table wanted to know if I was joking. Watching skeptical faces turn delighted faces was honestly better than eating the brownies myself—though I still ate several.

Ingredients

  • Black beans (1 can, drained and rinsed): This is your secret weapon for moisture and structure; they add protein and create that signature fudgy crumb without any beany taste whatsoever.
  • Eggs (2 large): They bind everything together and help create that dense, rich texture that makes these feel indulgent.
  • Melted coconut oil or unsalted butter (1/3 cup): Use coconut oil if you want them dairy-free, or butter if you prefer a more classic brownie flavor—either works beautifully.
  • Pure vanilla extract (2 tsp): Don't skip this; it deepens the chocolate flavor in a way that's subtle but unmissable.
  • Granulated sugar or coconut sugar (2/3 cup): Coconut sugar adds a slight molasses note that makes these taste even more indulgent.
  • Unsweetened cocoa powder (1/2 cup): Use good quality cocoa here—it's where most of your chocolate flavor comes from, so it matters.
  • Baking powder (1/2 tsp): Just enough lift to keep them tender without making them cakey.
  • Salt (1/4 tsp): A pinch is essential to balance sweetness and amplify the chocolate notes.
  • Dark chocolate chips (1/3 cup, plus extra for topping): These add pockets of extra richness; choose chips you'd actually eat on their own.
  • Chopped walnuts or pecans (1/4 cup, optional): They add a pleasant textural contrast and earthy depth if you want them.

Instructions

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Prep and preheat:
Line your 8x8-inch pan with parchment paper so they come out cleanly, and get your oven to 350°F—this temperature is the sweet spot for fudgy centers without dried-out edges.
Blend the wet base:
Combine black beans, eggs, coconut oil, and vanilla in a food processor and blend until completely smooth, scraping the sides as you go. You want zero bean texture—this usually takes about a minute of blending.
Add the dry ingredients:
Sprinkle in sugar, cocoa powder, baking powder, and salt, then blend again until you have a thick, creamy batter that moves easily when you stir it. The batter should be thicker than cake batter but not dough-like.
Fold in the mix-ins:
Switch to a spatula and gently fold in chocolate chips and nuts if you're using them, being careful not to overmix. You want little pockets of chocolate throughout.
Spread and top:
Pour the batter into your prepared pan and use the spatula to smooth the top, then scatter extra chocolate chips over the surface if you want them to sink in slightly as they bake.
Bake to fudgy perfection:
Bake for 22–25 minutes; the center should look barely set and a toothpick should come out mostly clean with a few moist crumbs clinging to it. Overbaking is the enemy of fudginess here.
Cool and chill:
Let them cool completely in the pan—this takes about 30 minutes—then refrigerate for at least an hour before cutting. This chill time is what transforms them from good to that decadent, dense texture you're after.
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A plate of gluten-free black bean brownies, with a rich, dark chocolate aroma inviting everyone to taste. Save to Pinterest
A plate of gluten-free black bean brownies, with a rich, dark chocolate aroma inviting everyone to taste. | olivefrost.com

One afternoon while testing these, I left them in the fridge overnight by mistake, and they were somehow even better the next day—deeper chocolate flavor, more fudge-like texture. Now I always make them a day ahead when I have time, and it's become my favorite way to serve them.

Why Black Beans Work Their Magic

Black beans are packed with fiber and protein, which means these brownies actually have staying power instead of leaving you hungry thirty minutes later. They also contain natural compounds that make the chocolate flavor taste more intense—it's not just marketing, it's real chemistry. The beans add moisture too, which is why these stay fudgy even after a few days in an airtight container.

Flexibility and Variations

I've made these with almond butter swirled on top, with cinnamon mixed into the batter, and even with a sprinkle of sea salt that brought everything into sharp focus. They're forgiving enough to play with, but not so delicate that one substitution ruins them. The base formula is solid; everything else is just your mood in the kitchen.

Serving and Storage

These are wonderful at room temperature with a cup of coffee, but they're also spectacular slightly warmed with a scoop of vanilla ice cream melting on top. Store them in an airtight container in the fridge for up to five days, or freeze them for a month and pull out one whenever you need a quiet moment with something that tastes genuinely indulgent.

  • Dust with powdered sugar or a sprinkle of sea salt just before serving to add another layer of flavor.
  • For a vegan version, replace eggs with flax eggs (2 tbsp ground flaxseed mixed with 5 tbsp water, rested 5 minutes) and use a neutral oil instead of butter.
  • Cut them into smaller squares if you want them to feel extra special, or bigger ones if you're hungry and honest about it.
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Perfectly square black bean brownies, with a moist interior and a sprinkle of dark chocolate, ready to serve. Save to Pinterest
Perfectly square black bean brownies, with a moist interior and a sprinkle of dark chocolate, ready to serve. | olivefrost.com

These brownies have become my answer to "I need something special but I don't have much time," and they've quietly converted a lot of people who thought they didn't like gluten-free desserts. That's the real magic here.

Recipe FAQs

How do black beans affect the texture?

Black beans provide moisture and a dense, fudgy texture, replacing traditional flour seamlessly.

Can I substitute coconut oil?

Yes, melted butter or neutral oils can be used to maintain moistness and flavor.

What makes these brownies gluten-free?

Using black beans instead of flour naturally removes gluten from the mix.

How do I make them vegan?

Replace eggs with flax eggs made from ground flaxseed and water for a vegan-friendly version.

Are nuts necessary in the batter?

Nuts are optional and add crunch but can be omitted without affecting the overall texture.

Black Bean Brownies

Fudgy black bean brownies offer a rich chocolate flavor with natural gluten-free ingredients.

Prep Time
10 minutes
Time to Cook
25 minutes
Overall Duration
35 minutes
Recipe by Natalie Wilson


Skill Level Easy

Cuisine Type American

Serves 12 Portions

Dietary Info Meat-Free, No Gluten

What You Need

Wet Ingredients

01 1 can (15 oz) black beans, drained and rinsed
02 2 large eggs
03 1/3 cup melted coconut oil or unsalted butter
04 2 teaspoons pure vanilla extract

Dry Ingredients

01 2/3 cup granulated sugar or coconut sugar
02 1/2 cup unsweetened cocoa powder
03 1/2 teaspoon baking powder
04 1/4 teaspoon salt

Mix-Ins

01 1/3 cup dark chocolate chips
02 1/4 cup chopped walnuts or pecans (optional)

How-To Steps

Step 01

Prepare Oven and Pan: Preheat oven to 350°F. Line an 8x8-inch baking pan with parchment paper or lightly grease.

Step 02

Blend Wet Ingredients: In a food processor or blender, combine black beans, eggs, melted coconut oil, and vanilla extract. Blend until completely smooth, scraping sides as needed.

Step 03

Incorporate Dry Ingredients: Add sugar, cocoa powder, baking powder, and salt to the blender. Blend until batter is thick and creamy.

Step 04

Fold in Mix-Ins: Gently fold in chocolate chips and nuts, if using, with a spatula.

Step 05

Bake Brownies: Pour batter into the prepared pan, spreading evenly. Optionally, sprinkle extra chocolate chips on top. Bake for 22 to 25 minutes until center is set and a toothpick comes out mostly clean with moist crumbs.

Step 06

Cool and Serve: Remove from oven and cool completely in the pan. For best fudgy texture, chill in refrigerator at least one hour before slicing.

What You'll Need

  • Food processor or blender
  • 8x8-inch baking pan
  • Spatula
  • Measuring cups and spoons

Allergy Details

Be sure to check ingredients for allergens and ask your doctor if you’re not sure.
  • Contains eggs unless substituted; may contain tree nuts if used.
  • Chocolate chips may contain traces of milk or soy; verify packaging for allergens.

Nutrition Details (per portion)

Intended only for informational use, not medical advice.
  • Calories: 145
  • Fats: 7 g
  • Carbohydrates: 18 g
  • Proteins: 4 g