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5-Ingredient Peanut Butter Banana Brownies
4.2 from 93 votes

5-Ingredient Peanut Butter Banana Brownies

These brownies combine mashed ripe bananas and smooth peanut butter with cocoa powder for a dense, fudgy texture and rich chocolate-peanut butter flavor. Sweetened optionally with maple syrup and studded with chocolate chips, they offer a grain-free treat that can be customized with nuts or vanilla extract.

Prep Time
10 mins
Cook Time
20 mins
Total Time
30 mins
Servings: 9 Large Brownies
Calories: 281 kcal
Course: Dessert
Cuisine: American

Ingredients

  • 4 banana mashed (about 1.5 cups, ripe
  • 1 cup peanut butter unsweetened, creamy
  • 2 to 3 Tbsp pure maple syrup optional
  • ½ cup cocoa powder
  • ¼ tsp salt sea salt
  • ¼ cup chocolate chips optional
Optional Additions:
  • ½ tsp vanilla extract pure
  • ⅓ cup walnuts chopped, or pecans

Instructions

    Cup of Yum
  1. Preheat the oven to 350 degrees Fahrenheit and line an 8” x 8” square pan with parchment paper.
  2. Mash the bananas in a large mixing bowl until they are very creamy (if you don’t mind chunks of banana, you can leave them chunky, but I like to mash them well).
  3. Add in the peanut butter, pure maple syrup, cocoa powder, and sea salt to the mixing bowl (the remaining ingredients) and stir well until a thick brownie batter forms.
  4. Stir in the chocolate chips (if adding) until they are well-incorporated throughout the brownie batter.
  5. Pour batter into the prepared pan. Spread it into an even layer, and sprinkle with extra chocolate chips on top of the batter if you’d like.
  6. Bake brownies for 20 to 25 minutes or until they look set up.
  7. Allow the brownies to cool to room temperature before slicing and serving. If you’d like, you can sprinkle them with a little flaky sea salt or even powdered sugar.
  8. Serve them with a scoop of vanilla ice cream (I'd go with a sugar-free dairy-free ice cream) for a real good time. 

Notes

  • Use any creamy nut or seed butter as a substitute for peanut butter, such as almond or cashew butter.
  • Store brownies in an airtight container or sealed bag in the refrigerator for up to 1 week.
  • These brownies freeze well; keep frozen in a sealed container for up to 3 months.

Nutrition Information

Serving 1Brownie (of 9) Calories 281kcal (14%) Carbohydrates 29g (10%) Protein 9g (18%) Fat 18g (28%) Saturated Fat 4g (20%) Polyunsaturated Fat 11g (65%) Cholesterol 2mg (1%) Sodium 174mg (7%) Fiber 6g (24%) Sugar 12g (24%)

Nutrition Facts

Serving: 9 Large Brownies

Amount Per Serving

Calories 281

% Daily Value*

Serving 1Brownie (of 9)
Calories 281kcal 14%
Carbohydrates 29g 10%
Protein 9g 18%
Fat 18g 28%
Saturated Fat 4g 20%
Polyunsaturated Fat 11g 65%
Cholesterol 2mg 1%
Sodium 174mg 7%
Fiber 6g 24%
Sugar 12g 24%

* Percent Daily Values are based on a 2,000 calorie diet.

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