Egg-Free 3-Ingredient Banana Brownies Recipe

Healthy 3-ingredient banana brownies made without eggs, flour, or added sugar. These fudgy brownies use just ripe bananas, nut butter (peanut or almond), and unsweetened cocoa powder for a naturally sweet, nourishing treat.

Stack of fudgy 3 ingredient banana brownies on a small plate with chocolate chips and banana in background.

Healthy 3 Ingredient Banana Brownies Recipe (No Eggs)

These healthier brownies deliver rich chocolate flavor while staying simple to prepare. With three common pantry items, you can turn overly ripe bananas into a moist, flourless dessert that satisfies a chocolate craving and still feels wholesome.

When bananas are spotty and soft, mash them thoroughly, stir in nut butter and cocoa, then bake. The banana flavor provides natural sweetness and moisture, while the nut butter contributes healthy fats and a fudgy texture.

This recipe works well with different nut and seed butters — choose your favorite to tune the flavor. Peanut butter pairs wonderfully with chocolate, but almond, cashew, or sunflower seed butter are all good alternatives.

Close-up of fudgy 3 ingredient banana brownie squares showing dense, moist texture.

Why you’ll love fudgy vegan banana brownies

Better-for-you dessert – Made with whole-food ingredients instead of refined sugar and white flour, these brownies are naturally sweetened and filling.

Rich chocolate flavor – Unsweetened cocoa powder provides a deep chocolate taste; fold in a few chocolate chips if you want extra indulgence.

Gluten-free – No flour is required; mashed bananas and nut butter give structure and a nice texture.

Egg-free – No eggs are needed, and the brownies bake up with soft, fudgy centers.

Quick and easy – Mix everything in one bowl. With simple steps, kids can help make this recipe too.

Overripe bananas, peanut butter, and cocoa powder arranged as ingredients for 3 ingredient banana brownies.

What you need for 3-ingredient brownies

Scroll down to the recipe card for the full ingredient list, nutrition details, and step-by-step instructions.

  • Very ripe bananas – Use heavily speckled or brown bananas. They provide natural sweetness, moisture, and structure for these flourless brownies.
  • Natural peanut butter – A creamy, well-stirred natural peanut butter blends smoothly and creates a fudgy texture. Swap with almond, cashew, or sunflower seed butter if preferred.
  • Cocoa powder – Unsweetened cocoa gives these brownies their deep chocolate flavor. Raw cacao powder can be used as a 1:1 substitute for a slightly more intense taste.
Stack of fudgy 3 ingredient banana brownies on a small plate with chocolate chips and banana in background.

How to make vegan brownies

Step 1: Preheat the oven to 350°F (175°C). Line an 8×8-inch square baking dish with parchment paper.

8x8 baking dish lined with parchment paper prepared for 3 ingredient banana brownies.

Step 2: In a large bowl, add the overripe bananas and mash until smooth with no chunks remaining.

Step 3: Stir in the nut butter and cocoa powder until the mixture forms a thick, even batter.

Thick chocolate banana brownie batter mixed in a bowl before baking flourless 3 ingredient banana brownies.

Step 4: Spread the batter into the prepared pan and bake for 17–20 minutes, or until the top appears set.

Chocolate banana brownie batter spread evenly in an 8x8 parchment-lined baking dish before baking.
Freshly baked 3 ingredient banana brownies in a square baking pan lined with parchment paper.

Step 5: Cool the brownies completely on a wire rack before slicing. They firm up as they cool.

Tip: For perfectly smooth mashed bananas, blend them in a food processor or blender before mixing.

Watch me make chocolate banana brownies

A full how-to video is available in the recipe card below.

How to store

Once cooled, store brownies in an airtight container in the refrigerator for up to 5 days. To freeze, cut into squares and layer with parchment paper in a freezer bag. Label and freeze up to 6 months. Thaw on the counter before serving.

3 ingredient banana brownies served on small plates with chocolate chips and ripe bananas.

Substitutions, optional variations & dietary adjustments

Here are a few simple swaps that work well with this fudgy banana brownie base.

Bananas: If you don’t enjoy banana flavor, try cooked mashed sweet potato or yam and add 2–3 tablespoons of maple syrup for sweetness.

Nut butter: Any creamy nut or seed butter will substitute for peanut butter. For nut-free needs, use sunflower seed butter or tahini. Other options include almond, cashew, walnut, or pecan butter.

Cocoa powder: Raw cacao powder can be used 1:1 for a deeper chocolate flavor.

Overhead view of sliced 3 ingredient banana brownies arranged on parchment paper with ripe bananas.

Frequently asked questions

Are these banana brownies healthy?

They’re a healthier alternative to traditional brownies because they use whole-food ingredients—ripe bananas, nut butter, and cocoa—without added sugar, flour, or eggs. They still count as a treat but offer fiber and healthy fats from the bananas and nut butter.

Do they taste like bananas?

Yes—bananas are the base, so expect a mild banana flavor. If you enjoy banana bread, you’ll likely enjoy these brownies.

Can I make them without peanut butter?

Yes. Swap in almond butter, cashew butter, sunflower seed butter, or tahini—any creamy nut or seed butter works best when well-stirred.

Can I make these nut-free?

Use sunflower seed butter or tahini instead of nut butter for a nut-free version that still produces a fudgy texture.

Why are they too soft or undercooked?

These brownies are naturally fudgy and won’t be as structured as flour-based brownies. If they seem too soft, ensure they’re fully baked (top should look set), cool completely before slicing, and consider refrigerating for a firmer texture.

How ripe should the bananas be?

Very ripe—spotty or mostly brown. Riper bananas give more sweetness and better flavor.

Can I change the pan size?

An 8×8 pan yields thick, fudgy brownies. A 9×9 pan will make thinner brownies and may shorten baking time; a loaf pan will require a time adjustment. Watch for a set top.

Side view of stacked flourless 3 ingredient banana brownies highlighting thick, chewy texture.

More healthy desserts you’ll love

  • Vegan black bean brownies
  • Protein cookie dough
  • No sugar banana cake
  • Apple crisp without oats
  • 3-ingredient raw brownies
3 Ingredient Banana Brownies

4 from 7 votes
Servings: 9

Healthy 3 Ingredient Banana Brownies

By Heather
These 3-ingredient banana brownies are healthy, flourless, egg-free, and naturally sweetened. A fudgy chocolate treat made with simple ingredients.
Prep: 5
Cook: 17
Total: 22
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Ingredients 

  • 3 ripe bananas
  • 1/2 cup natural peanut butter
  • 1/4 cup cocoa powder

Instructions 

  • Preheat the oven to 350°F (175°C). Line an 8×8-inch square baking dish with parchment paper.
  • In a large bowl, mash the overripe bananas until smooth with no chunks remaining.
  • Stir in the peanut butter and cocoa powder until the batter is thick and even.
  • Spread the batter into the prepared pan and bake for 17–20 minutes, or until the top looks set.
  • Let the brownies cool completely on a wire rack before cutting and serving.

Video

Nutrition

Calories: 126kcal, Carbohydrates: 14g, Protein: 4g, Fat: 8g, Sugar: 6g

Nutrition information is automatically calculated and should be used as an approximation.

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3 ingredient banana brownies

If you make this 3-ingredient brownie recipe, please leave a star rating and comment below to share how it turned out!

XO

Heather

Originally published September 2023. Updated February 2026.