Fudgy Peanut Butter Black Bean Brownies [vegan + gluten-free]

If you think black bean brownies taste like beans, you just have not had them done right. These peanut butter swirl black bean brownies are rich, fudgy, and deeply chocolatey with zero compromise. They are packed with fiber, naturally gluten-free, and made with better-for-you ingredients you can feel good about.

The real star here is the peanut butter swirl baked right into the top. It melts into the batter and creates that bakery-style finish that makes these feel indulgent while still keeping things balanced.

Why You Will Love These Black Bean Brownies

These brownies check every box. They are easy to make, made in one food processor, and require simple pantry staples. The texture is dense and fudgy, not cakey, and the peanut butter adds richness without overpowering the chocolate.

They are also a great option if you are looking to add more fiber to your day without sacrificing flavor. The combination of black beans and peanut flour keeps these satisfying and nutrient-dense.

Ingredients You Need

• 1 ¼ cup black beans, rinsed and drained
• ¼ cup unsweetened cocoa powder (code healthyhelper saves!)
• ¼ cup gluten-free oat flour
• 2 tbsp NuNaturals Cocoa Stevia Syrup (code healthyhelper saves!)
• ¼ cup non-dairy milk
• ¼ cup Peanut Butter Co peanut powder (code healthyhelper saves!)
• 2 to 3 tbsp additional non-dairy milk
• ¼ cup Peanut Butter Co creamy peanut butter (code healthyhelper saves!)
• Chocolate chips, optional

How To Make Peanut Butter Swirl Black Bean Brownies

1. Start by preheating your oven to 350 degrees and lining a baking pan with parchment paper.
2. In a food processor, combine the black beans, cocoa powder, oat flour, peanut flour, stevia syrup, and non-dairy milk. Blend until completely smooth. The batter should be thick but spreadable. Add an extra tablespoon of milk if needed.
3. Fold in chocolate chips if you are using them, then spread the batter evenly into your prepared pan.
4. Spoon the peanut butter over the top of the batter. Use a knife or toothpick to swirl it through the surface for that classic marbled look.
5. Bake for 20 to 23 minutes until the center is just set. Let the brownies cool completely before slicing. This step is key for the perfect fudgy texture.

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Tips For The Best Texture

• Do not overbake. The brownies will continue to set as they cool, so pulling them out when the center is slightly soft gives you that rich, fudgy bite.
• If your peanut butter is thick, warm it slightly before swirling. This makes it easier to create smooth, defined swirls across the top.
• Blend the batter thoroughly. You want zero chunks for that classic brownie texture.

Are Black Bean Brownies Healthy

Black bean brownies are a great alternative to traditional brownies because they add fiber and plant-based protein while reducing the need for refined flour. In this recipe, the peanut flour and peanut butter also contribute healthy fats and extra staying power.

They are still a treat, but one that brings more to the table nutritionally.

How To Store

Store these brownies in an airtight container in the fridge for up to five days. They actually get even fudgier after chilling.

You can also freeze them for longer storage. Just thaw in the fridge or at room temperature before enjoying.

Final Thoughts

These peanut butter swirl black bean brownies prove that better-for-you desserts do not have to taste like a compromise. They are simple, satisfying, and perfect for meal prep or a quick chocolate fix.

Once you try them, you will never look at black beans the same way again.

Have you ever baked with beans before?

What are your favorite chocolate baked goods?

Brownie or blondies? Which do you choose?

10 responses to “Fudgy Peanut Butter Black Bean Brownies [vegan + gluten-free]”

1. Beans do make such dense fudgy baked goodies. These LOOK AMAZEBALLS Kaila!

   • Thanks, Em!! Hope you try them!

2. What a brilliant and tasty recipe X #brilliantblogposts

   • Thank you!!

3. Sending my sister the link – she prefers to eat vegan and I think she’ll like these. Thanks for sharing at the What’s for Dinner party.

   • Thanks Helen! I hope your sister enjoys them!!

4. Your Brownies look fantastic! Have a great first week of spring and thanks so much for sharing your awesome post with FULL PLATE THURSDAY!
   Miz Helen

   • Thanks Helen!! I hope you try them!!

5. I’m not going to lie, I’ve never made brownies with black beans. Although it kind of makes sense because I grew up eating azuki bean paste stuffed in mochi and it’s super sweet. Pinned. Thanks for sharing this on Merry Monday.

   • Let me know if you try these!!

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