When three overripe bananas meet peanut butter, cocoa and a scoop of protein powder, you get a tiny, fudgy brownie that’s portable, fridge-friendly and surprisingly satisfying. These Flourless Chocolate Protein Brownie Bites are perfect for breakfast-on-the-go, a post-workout treat, or a quick dessert when you want chocolate without flour or fuss. If you want to keep the original recipe for reference, you can save it on the official recipe page: Flourless Chocolate Protein Brownie Bites recipe page.
Why you’ll love this dish
This recipe checks a lot of boxes: no flour, minimal ingredients, and it doubles as a protein boost. It’s also forgiving—bananas and nut butter are excellent binders—so even beginners get good results.
"I make a batch every Sunday—small, packable, and exactly what I need after the gym." — a satisfied weekday baker
Reasons to reach for these bites:
- Ready in about 30 minutes total (including baking and cooling).
- Budget-friendly: ripe bananas are often free if you let them ripen at home.
- Kid-approved and easy to customize for dietary needs.
- Easily doubled or frozen for meal prep.
How this recipe comes together
You’ll mash bananas, stir in nut butter, then whisk in protein powder and cocoa until smooth. Spoon the batter into silicone muffin cups, top with optional mini chips, and bake until the tops look set. Cooling is important—these are easier to remove and have a better texture once fully cooled.
Expect a dense, fudgy texture rather than a cakey crumb because there’s no flour or leavening. Protein powder absorbs moisture; the type you use will slightly change the batter thickness and final texture.
What you’ll need
- 3 very ripe bananas (the riper, the sweeter and more binding)
- 1/2 cup smooth peanut butter or almond butter (use natural for less sugar)
- 1/2 cup vanilla or chocolate protein powder (about 2 scoops) — whey or plant-based
- 1/4 cup unsweetened cocoa powder
- Mini chocolate chips, a small sprinkle per cup (optional)
- Equipment: muffin tin and 8 silicone baking cups, medium mixing bowl, fork or spatula
Substitution notes:
- Swap nut butter for sunflower seed butter to avoid nuts.
- Use a plant-based protein powder for a dairy-free option; expect a slightly drier crumb—add a teaspoon of oil or a splash of milk if needed.
- For less chocolate intensity, reduce cocoa to 3 tbsp.
Step-by-step instructions
- Preheat your oven to 350°F (175°C). Place 8 silicone baking cups into a muffin tin so they hold their shape while baking.
- In a medium bowl, mash the bananas with a fork until mostly smooth—small lumps are fine.
- Add the peanut butter and stir vigorously until the mixture is homogeneous and glossy.
- Add the protein powder and cocoa powder. Mix until you have a smooth, thick batter. If it seems too dry, add a teaspoon of milk or a little more mashed banana.
- Divide the batter evenly among the 8 baking cups (use a spoon or an ice cream scoop for even portions).
- Sprinkle mini chocolate chips on top if you like.
- Bake for 20 minutes, or until the tops look set and a toothpick inserted into the center comes out with moist crumbs (not wet batter).
- Allow the bites to cool completely in the tin before removing from the silicone cups—this helps them hold their shape.
Best ways to enjoy it
- Serve warm with a dollop of Greek yogurt or a small scoop of vanilla ice cream.
- Pack them in a lunchbox with a side of fruit for a balanced snack.
- Cut one in half and spread a smear of nut butter for an extra protein hit.
- Pair with a strong coffee or a cold brew for a dessert-like morning treat.
Storage and reheating tips
- Room temperature: Store in an airtight container for up to 24 hours.
- Refrigerator: Keep in an airtight container for 3–4 days.
- Freezer: Layer bites between parchment in a freezer-safe container or bag for up to 2 months. Thaw overnight in the fridge or 30–60 minutes at room temperature.
- Reheating: Warm in the microwave for 10–15 seconds for a soft center, or 5–7 minutes at 325°F (160°C) in a small ovenproof dish if frozen and partially thawed—watch closely to avoid drying out.
Food safety note: Because these contain mashed banana and are moist, refrigerate leftovers if you won’t eat them within a day to prevent off-flavors or spoilage.
Pro chef tips
- Use very ripe bananas (lots of brown spots) for natural sweetness and best binding.
- Measure protein powder by weight if you can; scoops vary by brand. Too much powder makes a dry, chalky bite.
- If your protein powder is highly sweetened, consider unsweetened cocoa or reduce chips to avoid over-sweetness.
- Silicone cups make removal easy—don’t skip them unless you have well-greased tins.
- Avoid overbaking. These are best slightly fudgy; a few moist crumbs on a toothpick means they’ll be tender after cooling.
- For consistent sizing, use a tablespoon or a small cookie scoop to portion batter.
Creative twists
- Peanut butter cup version: press a small peanut butter dollop into the center of each cup for a gooey middle.
- Orange-chocolate: add 1/2 tsp orange zest to the batter for bright citrus notes.
- Spiced mocha: stir in 1/4 tsp instant espresso powder and a pinch of cinnamon.
- Paleo/gluten-free swap: for a grain- and dairy-free take, use a paleo protein or collagen and dairy-free chips. Try this alternative to explore a related variation: gluten-free paleo brownie protein bites variation.
Common questions
Q: How long does this take from start to finish?
A: Active prep is about 10 minutes. Baking is 20 minutes, plus cooling—plan for roughly 30–40 minutes total.
Q: Can I make these vegan?
A: Yes—use a vegan protein powder and dairy-free chocolate chips. Nut butter and mashed banana are already vegan-friendly.
Q: My batter seems too dry after adding protein powder—what should I do?
A: Add 1 teaspoon at a time of milk (dairy or plant) or a little extra mashed banana until the batter is smooth but scoopable.
Q: Can I double or halve the recipe?
A: Absolutely. Bake doubled batter in two muffin tins or in batches. Adjust baking time only if you change pan size.
Q: Are these suitable as a post-workout snack?
A: Yes—each bite provides carbohydrates from banana and protein from the powder and nut butter, making them a convenient post-exercise option.
If you want more tweaks or a printable version, tell me what dietary goal you have (keto, paleo, vegan) and I’ll tailor the swaps.
PrintFlourless Chocolate Protein Brownie Bites
Sugar-free, fudgy brownie bites made with overripe bananas, peanut butter, and protein powder – perfect for a quick snack or post-workout treat.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Total Time: 30 minutes
- Yield: 8 servings
- Category: Snack
- Method: Baking
- Cuisine: American
- Diet: Vegan
Ingredients
- 3 very ripe bananas
- 1/2 cup smooth peanut butter or almond butter
- 1/2 cup vanilla or chocolate protein powder
- 1/4 cup unsweetened cocoa powder
- Mini chocolate chips (optional)
Instructions
- Preheat your oven to 350°F (175°C). Place 8 silicone baking cups into a muffin tin.
- Mash the bananas in a medium bowl until mostly smooth.
- Add the peanut butter and stir until homogeneous and glossy.
- Mix in the protein powder and cocoa until smooth. Adjust moisture if needed.
- Divide the batter among the 8 baking cups.
- Sprinkle mini chocolate chips on top if desired.
- Bake for 20 minutes, or until tops look set.
- Cool completely in the tin before removing.
Notes
For better binding, use very ripe bananas. Avoid overbaking for a fudgier texture.