These brownies are the kind I make when I want something chocolatey and reliably fudgy without pulling out a dozen bowls. Black beans create a dense, moist crumb that plays nicely with dark chocolate. The result is a brownie that feels indulgent but sneaks in fiber and a little protein.
I test this recipe in a blender because it’s fast and easy to clean. The batter is thick and smooth; it spreads like a traditional brownie batter and bakes into glossy, slightly gooey squares. If you’re curious about bean-based baking, this is a forgiving place to start.
Below you’ll find the exact ingredients list and a straightforward, step-by-step cooking guide. I’ll also cover tools, common mistakes, sensible swaps, storage, and questions I get most often so you can make these with confidence.
Ingredients
- 1 (14-oz) can black beans — drained and rinsed (see note).
- 2 large eggs — provide structure and richness.
- 2/3 cup coconut sugar — adds sweetness and a subtle caramel note (see note).
- 1/3 cup unsweetened cocoa powder — the base chocolate flavor; use Dutch-processed for deeper color if you like.
- 3 Tbsp avocado oil — keeps the brownies tender and fudgy.
- 2 tsp baking powder — gives a slight lift so these aren’t brick-like.
- 1/4 tsp sea salt — balances sweetness and enhances chocolate flavor.
- 1 tsp pure vanilla extract — rounds and deepens flavors.
- 1/2 tsp ground cinnamon — optional; adds warmth if you want it.
- 1 cup dark chocolate chips — the “double chocolate” part; fold most in and reserve a few for the top if you like.
What We’re Using
These brownies are intentionally simple. A can of black beans replaces flour, making the batter naturally gluten-free (verify chocolate chips if you need GF). A blender does the heavy lifting: it purees the beans into a smooth base so you don’t need a food processor or mixer. An 8″ x 8″ pan keeps the brownies thick and fudgy; baking time is short because the batter is dense and moist.
Pantry notes: use room-temperature eggs so the batter emulsifies smoothly. If your coconut sugar is clumpy, break it up before measuring. Dark chocolate chips give the best bitter-sweet contrast, but any chocolate you like will work.
Fudgy Double Chocolate Black Bean Brownies Cooking Guide
- Preheat the oven to 350°F (175°C). Lightly oil an 8″ x 8″ baking pan and line it with parchment paper, leaving an overhang on two opposite sides for easy removal.
- Drain and rinse the 14-oz can of black beans thoroughly; shake or pat lightly to remove excess water.
- Place the drained black beans in a blender. Add the 2 large eggs, 2/3 cup coconut sugar, 1/3 cup unsweetened cocoa powder, 3 Tbsp avocado oil, 2 tsp baking powder, 1/4 tsp sea salt, 1 tsp vanilla extract, and 1/2 tsp ground cinnamon (if using).
- Blend until the mixture is thick and smooth, stopping once or twice to scrape down the sides and ensure even mixing.
- Remove the batter from the blender and fold in 1 cup dark chocolate chips with a spatula until evenly distributed.
- Transfer the batter to the prepared pan and spread into an even layer.
- Bake on the center rack for 24–28 minutes, until the edges are set and the center is mostly set (a toothpick will come out with moist crumbs but not raw batter).
- Remove the pan from the oven and cool on a wire rack for 1 hour. Use the parchment overhang to lift the brownies from the pan, then cut and serve.
Top Reasons to Make Fudgy Double Chocolate Black Bean Brownies
- Quick and one-bowl (well, one blender) process: minimal cleanup and straightforward steps.
- Fudgy texture that satisfies chocolate cravings without traditional flour.
- Ingredient list is pantry-friendly; canned beans and cocoa are easy to keep on hand.
- Great for skeptical eaters: the chocolate dominates the flavor, not the beans.
- Customizable: play with chocolate types or fold-ins without upsetting the method.
Budget & Availability Swaps
- Coconut sugar — if you don’t have it, light brown sugar or granulated sugar can be used in a pinch (no exact substitution amounts given here; use similar sweetness to taste).
- Avocado oil — neutral oils like canola or mild olive oil will work if avocado oil isn’t available.
- Dark chocolate chips — chopped dark chocolate, semi-sweet chips, or even a handful of cacao nibs can replace them; just fold in the same volume.
- Unsweetened cocoa powder — Dutch-process or natural cocoa is fine; know that the flavor and color will shift slightly.
- Black beans — if you’re out of canned beans, cook dried black beans until soft and use the same drained volume.
Appliances & Accessories
- High-speed blender or a standard blender — you need something that can puree beans until smooth.
- 8″ x 8″ baking pan — for the right thickness and bake time.
- Parchment paper — makes removal and cleanup effortless.
- Spatula — for folding chocolate chips and smoothing batter.
- Wire rack — for cooling the pan to avoid steam-soggy brownies.
- Toothpick or thin knife — to test doneness in the center.
Avoid These Mistakes
- Skipping the rinse of the canned beans. The canning liquid can add an off taste and thin the batter.
- Over-blending once everything is combined. You want thick and smooth — but if you blend too long with added heat from a high-speed blender you can change texture slightly. Stop when uniform.
- Expecting a cake-like crumb. These are fudgy brownies; a moist center with slightly set edges is correct.
- Baking too long. Follow the 24–28 minute guideline and test early — a toothpick should show moist crumbs, not raw batter.
- Not using an overhang of parchment. Lifting the whole brownie slab makes cutting clean squares much easier.
Fresh Seasonal Changes
Seasonal fruit and toppings can brighten these brownies without changing the base recipe. In summer, serve warm with fresh berries or a raspberry coulis for tart contrast. In fall, a sprinkle of flaky sea salt and a smear of salted caramel feels cozy. Winter calls for an espresso drizzle or a dusting of extra cocoa. Keep additions minimal — a few fresh berries or a drizzle preserves the fudgy texture.
Behind-the-Scenes Notes
Black beans act as both structure and moisture. The bean puree binds with eggs and oil to create a dense matrix that traps some steam during baking, so you get a fudgy interior rather than a dry crumb. Coconut sugar contributes both sweetness and slight caramel undertones; it behaves differently than refined sugar but works well here because the beans already add body.
Baking powder is modest in this recipe — it prevents the brownies from being flat as a pancake, but it won’t give a lofty rise like cakes. The tiny bit of cinnamon (optional) is there to enhance chocolate, not to make a spiced brownie.
Storing, Freezing & Reheating
Room temperature: store brownies in an airtight container for up to 3 days; they’ll stay fudgy. Refrigeration: if you prefer chilled brownies, refrigerate up to 5 days — they’ll firm up but retain fudginess.
Freezing: wrap individual squares tightly in plastic wrap and then place them in a freezer bag for up to 3 months. Thaw at room temperature or gently warm in a low oven (300°F / 150°C) for 8–10 minutes.
Reheating: a quick 10–15 second zap in the microwave brings back that just-baked warmth, or warm in a 300°F (150°C) oven for 5–10 minutes. Watch closely so the chocolate doesn’t overheat.
Fudgy Double Chocolate Black Bean Brownies Q&A
Will these taste like beans?
No. The cocoa, dark chocolate, and sugar dominate. The beans add structure and moisture; their flavor becomes background when blended with the rest of the ingredients.
Can I make this vegan?
This recipe uses eggs for structure. For a vegan version, experiment with egg replacers (e.g., flax eggs or commercial replacers), but expect texture changes. I haven’t provided a tested vegan substitution here.
Why blend instead of mashing?
Blending gives an ultra-smooth batter that feels and bakes more like traditional brownie batter. Mashing may leave small bean bits that change texture.
My batter seemed thin — is that okay?
It should be thick and spreadable. If it’s unusually thin, double-check you rinsed and fully drained the beans. Excess liquid can thin the batter and affect bake time and texture.
Can I add nuts or swirl peanut butter?
Yes. Fold in chopped nuts or swirl in a few tablespoons of nut butter before baking. These are add-ons; if you add large volumes, you’ll alter texture and baking behavior slightly.
Wrap-Up
These Fudgy Double Chocolate Black Bean Brownies are a dependable, quick bake when you need a chocolate fix with less fuss. They come together in a blender, bake in under half an hour, and keep well for several days. Follow the steps, respect the bake time, and you’ll have delicious, fudgy brownies that surprise friends and satisfy cravings.
If you try them, I’d love to hear how you served them—simple, warm from the oven, or dressed up with a scoop of ice cream. Small notes from the kitchen help fine-tune the next batch.
Fudgy Double Chocolate Black Bean Brownies
Equipment
- 8-inch Baking Pan
- Parchment Paperor cooking spray
Ingredients
Ingredients
- 1 14-oz canblack beansdrained and rinsed (see note)*
- 2 largeeggs
- 2/3 cupcoconut sugar see note**
- 1/3 cupunsweetened cocoa powder
- 3 Tbspavocado oil***
- 2 tspbaking powder
- 1/4 tspsea salt
- 1 tsppure vanilla extract
- 1/2 tspground cinnamonoptional
- 1 cupdark chocolate chips
Instructions
Instructions
- Preheat the oven to 350°F (175°C). Lightly oil an 8" x 8" baking pan and line it with parchment paper, leaving an overhang on two opposite sides for easy removal.
- Drain and rinse the 14-oz can of black beans thoroughly; shake or pat lightly to remove excess water.
- Place the drained black beans in a blender. Add the 2 large eggs, 2/3 cup coconut sugar, 1/3 cup unsweetened cocoa powder, 3 Tbsp avocado oil, 2 tsp baking powder, 1/4 tsp sea salt, 1 tsp vanilla extract, and 1/2 tsp ground cinnamon (if using).
- Blend until the mixture is thick and smooth, stopping once or twice to scrape down the sides and ensure even mixing.
- Remove the batter from the blender and fold in 1 cup dark chocolate chips with a spatula until evenly distributed.
- Transfer the batter to the prepared pan and spread into an even layer.
- Bake on the center rack for 24–28 minutes, until the edges are set and the center is mostly set (a toothpick will come out with moist crumbs but not raw batter).
- Remove the pan from the oven and cool on a wire rack for 1 hour. Use the parchment overhang to lift the brownies from the pan, then cut and serve.
Notes
*You can also use garbanzo beans
**Substitute the coconut sugar for regular cane sugar if its all you have on hand
**Use olive oil or melted coconut oil if you'd like
