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Tags and nutritional info are auto-generated and may be inaccurate. Always check the full ingredient list before cooking.
Got brown bananas but tired of banana bread? This recipe transforms them into rich, chocolatey banana brownies with a protein boost. The batter comes together easily with mashed bananas, protein powder, and cocoa powder, and the result is a moist, fudgy treat. Swirled peanut butter and chocolate chips on top add extra indulgence. Slice into squares and enjoy a snack that's both satisfying and packed with about 7g of protein per piece.
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Preheat oven to 180°C (350°F).
Mash the bananas in a bowl until smooth.
Add peanut butter, plain Greek yoghurt, sweetener, and vanilla extract to the mashed bananas. Mix well.
Gradually add milk to the wet mixture until it reaches a cake batter consistency.
In a separate bowl, whisk together plain flour, chocolate whey casein protein powder, cocoa powder, baking powder, and salt.
Fold the dry ingredients into the wet mixture until just combined.
Transfer the batter to a greased baking dish.
Swirl peanut butter on top of the batter and sprinkle with chocolate chips.
Bake for 25-30 minutes until cooked through. A toothpick inserted in the center should come out clean.
Let cool slightly, then slice into squares and enjoy.
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If your bananas are very ripe and sweet, you may need less sweetener. Adjust to taste.
Use any milk of your choice, such as almond, oat, or dairy milk.
For a vegan version, use vegan protein powder and plant-based yoghurt.
Swirling the peanut butter on top creates a decorative and flavorful finish.
Can I use a different type of protein powder?
Yes, you can use any protein powder, including vegan options. Just note that the flavor and texture may vary slightly.
What can I use instead of peanut butter?
You can substitute almond butter, cashew butter, or sunflower seed butter for peanut butter.
How do I know when the brownies are done?
Insert a toothpick into the center. If it comes out clean or with a few moist crumbs, the brownies are done.
Can I freeze these brownies?
Yes, you can freeze the brownies in an airtight container for up to 3 months. Thaw at room temperature before serving.
What if I don’t have chocolate chips?
You can skip the chocolate chips or use chopped dark chocolate as a substitute.
Hi, I’m Juliana! I’m a food-loving registered nutritionist passionate about making wellness simple, sustainable, and enjoyable. I’ve built this space to share nutrition advice and healthy, delicious recipes to help people feel their best, inside and out, and to encourage fun, balanced living.
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