Flourless Black Bean Brownie

These Flourless Black Bean Brownies prove that you don’t need flour to get a rich, fudgy brownie. Black beans blend right into the batter along with cocoa powder, melted butter, and a touch of cinnamon, and everything comes together in a blender before baking. Studded with chocolate chips on top and inside, they taste like a classic brownie, with a boost of protein and fiber from the beans.

Why You’ll Love This Recipe

• No flour needed — black beans do the work instead
• Blender-batter method means minimal cleanup
• Rich, fudgy texture with real chocolate flavor
• A subtle warm note from cinnamon in the batter
• 7 grams of protein per brownie

Because the batter comes together entirely in a blender, this is also a genuinely low-effort brownie recipe — there’s no creaming butter and sugar, no separate dry and wet bowls, just one blender and one pan.

What Does It Taste Like?

These brownies are rich, dense, and fudgy, with a deep chocolate flavor from the cocoa powder and melted chocolate chips. The cinnamon adds a warm, subtle background note rather than an overt spice flavor, and the black beans disappear completely into the batter, leaving behind a moist, dense texture without any bean flavor or aftertaste.

Recipe Overview

• Prep Time: 5 minutes
• Cook Time: 25 minutes
• Total Time: 30 minutes
• Yield: 9 brownies

Ingredients

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• 1 (15-ounce) can black beans, drained and rinsed
• 3 large eggs
• ¾ cup granulated sugar
• ½ cup unsweetened cocoa powder
• ¼ cup unsalted butter, melted
• 1 tablespoon ground cinnamon
• 1 teaspoon baking powder
• 1 teaspoon vanilla extract
• ¼ teaspoon fine salt
• 1 cup semi-sweet chocolate chips, divided

Ingredient Notes

Black beans: Drained and rinsed well, they replace flour entirely, blending into a smooth base that bakes up dense and fudgy.

Eggs: Give the batter structure so it holds together once baked, since there’s no flour providing that role.

Cocoa powder: The main source of chocolate flavor in the batter itself.

Melted butter: Adds richness and helps the batter blend smoothly.

Cinnamon: Used in a full tablespoon, it adds warmth without making the brownies taste distinctly spiced.

Semi-sweet chocolate chips: Divided between folding into the batter and topping it, for pockets of melted chocolate throughout and on top.

Kitchen Tools You’ll Need

• Blender
• 8×8-inch baking dish
• Parchment paper
• Spatula

A food processor can work in place of a blender if that’s what you have on hand, though you may need to scrape down the sides more often to get a fully smooth batter.

Substitutions and Variations

These are optional ideas, not part of the original recipe:

• Swap semi-sweet chocolate chips for dark chocolate chips if you prefer a less sweet brownie.
• A pinch of espresso powder can be blended in to deepen the chocolate flavor.
• Top with a few chopped nuts along with the chocolate chips for extra crunch.

How to Make the Recipe

You can also stir a spoonful of nut butter into the batter before baking for extra richness, though this hasn’t been tested with the exact ratios in this recipe, so treat it as an experiment rather than a guaranteed result.

This is a true blender brownie: everything except the chocolate chips goes into the blender and blends into one smooth batter, which is then poured into the pan and studded with chocolate chips before baking. There’s no separate mixing of wet and dry ingredients — the blender does all the work.

Step-by-Step Instructions

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1. Preheat the oven to 350°F. Line an 8×8 baking dish with parchment paper, spray with cooking spray, and set aside.
2. Place all ingredients except the chocolate chips in a blender and blend until smooth.
3. Pour the batter into the baking dish, then gently mix in ½ cup of the chocolate chips.
4. Top with the remaining ½ cup of chocolate chips and bake 25–30 minutes, until the center is just set.
5. Cool for 30 minutes before slicing and serving.

Tips for Success

• Drain and rinse the black beans thoroughly so no can liquid ends up in the batter.
• Blend until the batter is completely smooth — any remaining bean texture will show up in the finished brownies.
• Don’t overbake; pull the pan once the center is just set, since these brownies continue to firm up as they cool.
• Let the brownies cool the full 30 minutes before slicing for the cleanest cuts.

If your blender struggles to fully smooth out the batter, pulse in short bursts and scrape down the sides between pulses rather than running it continuously — this helps break down the beans evenly without overworking the eggs.

How to Know It’s Done

The brownies are done when the center is just set rather than jiggly or wet — a slight softness in the middle is normal and will firm up as the pan cools.

What to Serve With It

These brownies are rich enough to enjoy on their own, though a scoop of vanilla ice cream never hurts. For more flourless chocolate treats from Poulef, try our Flourless Peanut Butter Brownies or our Flourless Banana Breakfast Brownies.

Storage Instructions

The recipe source didn’t specify an exact storage duration. As general guidance for a moist, egg-based brownie like this one: store covered at room temperature for a couple of days, or in the refrigerator for closer to a week, for the best texture.

Freezing Instructions

The recipe source didn’t provide specific freezing instructions. As general guidance: these brownies likely freeze well, wrapped tightly or in an airtight container, for up to a couple of months; thaw at room temperature before serving.

Common Mistakes

• Not draining and rinsing the black beans well, which can add excess liquid to the batter.
• Underblending, which can leave bits of bean texture in the finished brownies.
• Overbaking past the “just set” stage, which can dry out the fudgy texture.
• Slicing before the brownies have cooled, which can make them fall apart instead of cutting cleanly.

Frequently Asked Questions

Can I taste the black beans in these brownies?

No — once blended smooth and baked, the beans disappear into the batter, leaving a dense, fudgy texture without any bean flavor.

Do I have to use a blender?

The recipe is designed around blending all the ingredients (except chocolate chips) until smooth, so a blender is part of the method as written.

Can I use a different type of bean?

The recipe calls for black beans specifically; substituting a different bean isn’t part of the original recipe and may change the flavor and texture.

Why is a full tablespoon of cinnamon used?

Are these brownies gluten-free?

Yes — since the recipe uses black beans in place of flour and doesn’t call for any wheat-based ingredients, these brownies are naturally gluten-free as written. If you need to be strict about cross-contamination, double-check that your cocoa powder and chocolate chips are labeled gluten-free.

As always with packaged ingredients, if you’re baking for someone with celiac disease or a severe gluten intolerance, it’s worth reading labels carefully rather than assuming, since manufacturing processes can vary between brands.

The cinnamon adds warmth to the chocolate flavor without making the brownies taste overtly spiced — it’s a background note rather than a dominant flavor.

Recipe Background

Black bean brownies became popular as a way to bake a genuinely flourless, gluten-free brownie without relying on almond flour or other specialty flours — the beans provide moisture and structure in place of flour, while blending smooth so the texture reads as a classic fudgy brownie rather than anything bean-like. Combining that base with a warm spice like cinnamon is a common way to add depth to the chocolate flavor.

Beans work in a brownie batter for the same basic reason they work in other flourless baked goods: pureed smooth, they behave like a moisture-rich binder rather than a distinct ingredient, similar to how mashed banana or applesauce functions in some quick breads. Combined with eggs for structure and a generous amount of cocoa and melted chocolate for flavor, the beans essentially disappear, leaving behind a dense, fudgy crumb that tastes like a rich, everyday brownie rather than anything unusual.

Because the base is naturally gluten-free and higher in fiber and protein than a typical flour-based brownie, this style of recipe has also become popular as a way to work more legumes into a sweet treat without it reading as a health-food substitute — the cocoa and chocolate chips do enough heavy lifting on flavor that most people wouldn’t guess beans were involved.

Conclusion

These Flourless Black Bean Brownies show that a genuinely fudgy, chocolatey brownie doesn’t need flour at all. Blend, bake, and slice — it’s a simple recipe with a satisfying result. Happy baking!

More Delicious Recipes You’ll Love

• Flourless Peanut Butter Brownies
• Flourless Banana Breakfast Brownies
• No Bake Protein Brownie Bars
• Chocolate Pecan Brownie
• Flourless Chocolate Bean Cake

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Nutritional Information

Nutrition is per brownie (9 servings), as provided by the recipe source.

Nutrient	Amount per Serving
Calories	307
Carbohydrates	39g
Protein	7g
Fat	15g
Fiber	7g

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