Banana Brownies: Healthy, Fudgy, and Made with 3 Ingredients

What Is Banana Brownies?

I am back with another easy dessert for those days when the sweet craving hits and the pantry looks a little bare. These Healthy Banana Brownies are fudgy vegan brownies made with just three ingredients: banana, cocoa powder, and peanut butter.

There is no flour, no egg, and no dairy in the base recipe, so they fit many different ways of eating without asking you to buy a long list of specialty ingredients.

The flavor is somewhere between vegan banana bread and a rich vegan brownie. The bananas provide natural sweetness and a soft, moist crumb. The cocoa powder brings a deep chocolate flavor, and the peanut butter adds body plus a gentle nutty finish that makes each square feel more indulgent than it really is.

Because this recipe uses so few ingredients, every choice matters. The bananas should be ripe enough to mash into a smooth puree. The cocoa powder should be unsweetened, and the peanut butter should be fresh and runny. When those three ingredients are right, you get a thick, fudgy batter that bakes into 9 dense squares.

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I reach for this recipe when I want a chocolate dessert that is not overly heavy. It works for family snacks, lunchbox treats, and a casual dessert when friends stop by. The squares hold up well once cooled, but they are best served slightly warm or at room temperature.

This recipe was last updated on 05/17/2026.

My tip is: keep this recipe in your back pocket for last minute desserts, snack boxes, or a simple treat that does not require a trip to the store.

Why You Will Love These Healthy Banana Brownies

This is one of those recipes that sounds almost too simple to work, then surprises you with how satisfying the result is. Here is why it has become a repeat in my kitchen.

• Grain free and no flour needed: The bananas and peanut butter create the structure, so there is no need for flour or grain based ingredients.
• Only three main ingredients: Banana, cocoa powder, and peanut butter are the full base recipe. The chocolate chips are just an optional boost.
• Vegan and dairy free: The recipe uses no butter, milk, or eggs, making it a useful dessert for plant based eaters and mixed households.
• Quick and approachable: You can have the batter ready in about 10 minutes, and the oven does the rest.
• Naturally sweetened: Very ripe bananas carry most of the sweetness, so there is no added sugar in the base recipe.
• Simple cleanup: The bowl method uses one bowl and a silicone spatula, so there are very few dishes to wash.

A quick nutrition snapshot: one square without chocolate chips has about 131 calories, 14.8 grams of carbohydrates, 4.1 grams of protein, and 7.8 grams of fat. That makes these brownies a lighter option when you want a chocolate dessert without going overboard.

Ingredients and Substitutions

The ingredient list is short, but each item plays an important role. These are the amounts you need for 9 squares.

• 3 large ripe bananas: The choice of bananas is the key to success. Look for large, yellow to ripe bananas with dark brown spots. They should be soft enough to mash easily into a puree. Avoid green bananas because they are too firm and not sweet enough.
• 4 tablespoons unsweetened cocoa powder: This gives the brownies their deep chocolate flavor. Use unsweetened cocoa powder, and choose sweetened cocoa only if your bananas are not very ripe.
• 1/2 cup unsalted peanut butter: A fresh, runny, drippy natural peanut butter works best. Stir the jar well before measuring so the oil is evenly mixed. Dry nut butter can make the batter dry.
• 1/2 cup dairy free dark chocolate chips, optional: This is for a boost of sweetness. You can stir the chips into the batter or sprinkle them on top.

For substitutions, almond butter, sunflower seed butter, tahini, or cashew butter can replace the peanut butter. If your bananas are not ripe enough, stir in 2 to 3 tablespoons of maple syrup for natural sweetness. Chopped walnuts are another optional add in place of chocolate chips.

My tip is: check the peanut butter before you start. If it is dry and pasty, the batter will follow, so use a fresh jar and stir the oil back in first.

Preparation

Making healthy banana brownies is easy, and you have two options. You can mix everything with a food processor, or you can use a bowl and silicone spatula. The bowl method is my go to because there is less to wash, but both work well.

1. Preheat the oven to 350°F. Line a 6 inch brownie pan with parchment paper and grease it with cooking oil. Set the pan aside.
2. In a large mixing bowl, mash 3 large ripe bananas into a smooth puree. Small bits of banana are fine, but the smoother the puree, the more even the texture will be.
3. Stir in 1/2 cup peanut butter and 4 tablespoons unsweetened cocoa powder with a silicone spatula until the mixture looks like a brownie batter. It should be thick and moist, not dry. If it is too dry, add a little more mashed banana or a splash of almond milk.
4. If you are using the optional 1/2 cup dairy free dark chocolate chips, stir them in now.
5. Pour the batter into the prepared baking dish and sprinkle extra chocolate chips on top if you like.
6. Bake for 25 to 30 minutes at 350°F, until a toothpick inserted in the center comes out with only a little crumb on it.
7. Cool on a rack for about 20 minutes before serving, so the brownies can set and slice cleanly.

If you prefer the food processor method, place the three base ingredients into the food processor bowl and blend until smooth. Then follow the same baking and cooling steps.

Carine’s Tips

These tiny details make a real difference when a recipe has only a few ingredients. Here are the tips I follow for the best texture and flavor.

• Use ultra ripe bananas: Bananas with dark brown spots give the sweetest result and the most fudgy texture without added sugar.
• Add chocolate chips: Stirring 1/2 cup of chocolate chips into the batter creates an extra fudgy, intensely chocolate finish.
• Serve with a pinch of sea salt: A light sprinkle on top helps bring out the chocolate flavor.
• Measure carefully: With only three main ingredients, a little extra cocoa or a dry peanut butter can change the final texture.
• Adjust sweetness naturally: If the bananas are not ripe enough, add 2 to 3 tablespoons of maple syrup for a natural boost.

For conventional oven mode, increase the temperature by 25°F and check the brownies a few minutes later if needed. Store leftovers in an airtight container in the fridge for up to 4 days, or freeze sliced brownies for up to 3 months.

More Healthy Vegan Brownies

Once you see how well banana, cocoa powder, and peanut butter work together, you may want to keep the same approach for other chocolate desserts. This style of baking is great for meal prep because the brownies store well and thaw quickly.

The same no flour base can inspire a small batch when you are short on time. Top the brownies with chopped walnuts or extra dairy free chocolate chips depending on what you already have in the pantry.

You can find the original recipe and more healthy vegan brownie ideas at The Conscious Plant Kitchen.

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Healthy Banana Brownies (3 Ingredients, Flourless)

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What Is Banana Brownies? I am back with another easy dessert for those days when the sweet craving hits and the pantry looks a little bare.

• Total Time: 50 min
• Yield: 9 squares 1x

Ingredients

Scale 1x2x3x

3 large Ripe Banana
4 tablespoons Unsweetened Cocoa Powder
1/2 cup Peanut Butter (Unsalted)
Optional – for a boost of sweetness
1/2 cup Dairy-Free Dark Chocolate Chips

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Instructions

1-Preheat the oven to 350°F (180°C): Preheat the oven to 350°F (180°C). Line a 6-inch brownie pan with parchment paper and grease it with cooking oil. Set aside.
2-In a large mixing bowl, mash the: In a large mixing bowl, mash the banana into a smooth puree,
3-Stir in peanut butter and cocoa powder: Stir in peanut butter and cocoa powder with a silicone spatula until it looks like a brownie batter. It’s fine if you see bits and pieces of bananas as long as the batter is not dry. If too dry, it means you used smaller bananas or your nut butter is dry and not oily. Add more mashed banana to fix the batter or a splash of almond milk.
4-Stir in chocolate chips until if used: Stir in chocolate chips until if used.
5-Pour the batter into the prepared baking: Pour the batter into the prepared baking dish and sprinkle extra chocolate chips on top if you like.
6-Bake the brownies for 25-30 minutes in: Bake the brownies for 25-30 minutes in the oven at 350°F (180°C) until a toothpick inserted in the center comes out with only a little crumb on it.
7-Cool down on a cooling rack for: Cool down on a cooling rack for 20 minutes before serving.

Last Step:

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• Prep Time: 10 min
• Cook Time: 25 min
• Method: bake

Nutrition

• Serving Size: 1 square (no chocolate chips)
• Calories: 131.1 kcal
• Sugar: 7.1g
• Sodium: 3.4mg
• Fat: 7.8g
• Saturated Fat: 1.7g
• Carbohydrates: 14.8g
• Fiber: 2.7g
• Protein: 4.1g