Brownie Bites Protein

Featured in Let's Bake Something Wonderful.

Blend mashed bananas, cocoa, nut butter, and protein powder. Spoon batter into silicone molds, bake for 20 minutes, then cool. Enjoy these protein-filled chocolate bites!
Rose
Updated on Mon, 14 Apr 2025 15:51:45 GMT
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Brownie Bites Protein | tastybysophie.com

I stumbled on this treat during that tricky mid-afternoon moment when chocolate cravings strike but I wasn't ready to throw away my healthy eating plans. These protein brownie chunks have turned into my go-to fix for tackling sweet cravings without the energy crash you get from regular brownies. Packed with a hefty 9 grams of protein per piece and made from just 5 basic items, they're the ultimate guilt-free snack that backs up my fitness aims instead of wrecking them. The deep chocolatey taste plus the natural sweetness from overripe bananas makes something that honestly feels like a proper dessert, not some sad substitute.

A few days ago my next-door neighbor's kid dropped by while I was whipping up a batch. He calls himself a "dessert connoisseur" and usually sneers at anything marketed as healthy. I gave him one without explaining what was in it, and he wolfed down three before asking about the ingredients. When I explained they were protein brownies made with bananas instead of sugar, he couldn't believe it. He's already asked his mom to get the recipe, and I think that's the biggest win coming from a fussy teenager.

Basic Components

  • Super ripe bananas – They bring natural sweetness and moisture, so you don't need extra sugar or fat. The spottier your bananas, the sweeter your brownie chunks will be. Those nearly black bananas you're thinking about throwing away? They're perfect treasures for this creation.
  • Peanut butter – Gives creaminess, good fats, and holds everything together. Its slight saltiness works great with the sweetness. Try almond butter for something lighter or sunflower seed butter if you can't have nuts – both do the job nicely.
  • Protein powder – This changes a simple treat into a filling, muscle-supporting snack. I've tried both vanilla and chocolate types – chocolate makes the brownie flavor stronger, while vanilla gives a more gentle result. Pick whatever protein powder tastes good to you on its own.
  • Cocoa powder – Delivers that intense chocolate kick without added sugar. Going unsweetened is important since the bananas make them plenty sweet. Dutch-processed gives a slightly darker color and smoother taste, but standard unsweetened cocoa works fine too.
  • Mini chocolate chips – These aren't mandatory but add wonderful spots of melted chocolate throughout. Just a handful on top is enough to boost the chocolate experience without much extra sugar. Dark chocolate chips or cacao nibs work great as lower-sugar options.
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Protein Brownie Bites Recipe | tastybysophie.com

Making Brownie Wonder

Picking bananas:
The secret to naturally sweet brownie pieces without added sugar comes from truly overripe bananas. Look for heavily spotted or mostly black skins – these have the most natural sugars. If yours aren't ripe enough, you can hurry things up by putting them in a paper bag with an apple overnight, or pop them in the oven at 300°F for about 15 minutes until they turn black.
How to mix:
Smash the bananas completely first so they'll mix evenly with everything else. A regular fork does the job perfectly, though a potato masher works great for bigger batches. When you add the protein powder, sprinkle it in slowly while stirring to stop lumps from forming.
Getting the right feel:
Your mixture should look like thick brownie batter – not too runny, but not so thick you can't spoon it easily. If it seems too dry (which happens with some protein powders that soak up more liquid), toss in half a banana more or a spoonful of milk. If it's too wet, add another spoonful of protein powder.
Cooking tips:
These brownie bites might look undercooked when you first pull them out, but that's totally normal! They get much firmer as they cool down. Cooking them too long makes them dry and less brownie-like, so it's better to undercook them slightly for that perfect fudgy texture.
Using silicone:
Silicone baking cups make taking them out super easy with zero sticking. If you don't have silicone cups, make sure you really grease your muffin tins or paper liners, since the lack of oil in the recipe can make them stick easily.

My first try making these was partly successful but taught me some lessons. I used bananas that weren't spotted enough, so my brownies weren't as sweet as I wanted. I've also played around with different protein powders and found that mixed whey-casein creates the nicest texture, while plant-only proteins sometimes need an extra banana for moisture. Adding mini chocolate chips on top was something I tried later that turned these from pretty good to absolutely irresistible.

Exciting Serving Ideas

Take these basic protein brownie bites to the next level with these fun serving ideas:

  • Heat a brownie bite for 10-15 seconds and add a spoonful of Greek yogurt on top for a protein-packed dessert that feels like brownies and ice cream.
  • Break up a cold brownie bite over your protein smoothie bowl to add some crunch and chocolate flavor.
  • Put two small brownie bites around a spoonful of Greek yogurt or cottage cheese mixed with a bit of peanut butter for a protein-rich version of an ice cream sandwich.

Fun Flavor Twists

After you've got the hang of the basic recipe, try some of these tasty changes:

  • Mint Chocolate: Put ¼ teaspoon of peppermint extract in the mix and sprinkle chopped dark chocolate mint pieces on top.
  • Mocha: Stir 1 teaspoon of instant espresso powder into the batter for a coffee-flavored treat.
  • Peanut Butter Swirl: Before baking, swirl a spoonful of warmed peanut butter into the top of each brownie bite.
  • Berry Blast: Mix in ¼ cup of fresh or frozen raspberries for fruity pops of flavor that go great with chocolate.
  • Coconut Dream: Add 2 spoonfuls of unsweetened shredded coconut to the mix and sprinkle extra on top before baking.

Keeping Them Fresh

These protein brownie bites stay perfectly textured for about 3 days when kept in a sealed container in the fridge. To store them longer, they freeze amazingly well for up to 3 months – just lay them out in one layer in a freezer container or bag. You can munch on them straight from the freezer for a chewier bite, or let them sit at room temperature for about 30 minutes (or zap them for 15-20 seconds) for a softer brownie feel. I often double the batch just to freeze some so I always have a healthy chocolate fix when I need it.

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Protein Brownie Bites Homemade | tastybysophie.com

I've baked these protein brownie bites so many times in the last couple years, adjusting the recipe until it hits the sweet spot between nutrition and taste. What began as an answer to my afternoon chocolate urges has become a regular in my weekly food prep. There's something truly rewarding about enjoying a chocolate snack that actually supports my fitness journey instead of derailing it. The fact that they're so quick to make, use so few ingredients, and freeze so well just makes them even more perfect for my jam-packed schedule.

Frequently Asked Questions

→ What’s the best protein powder to use?
Both plant-based and whey protein powders are great options here. Stick to vanilla or chocolate flavors for extra taste, though plain ones work fine too. Just avoid powders with thickeners or gums since they can make the brownies heavy. If yours is unsweetened, a bit of maple syrup or honey might be needed for balance.
→ Can I replace bananas with something else?
Sure! Swap out bananas for 1 cup of applesauce (unsweetened) or mashed sweet potato. Keep in mind, the texture and flavor will change, so you might need to sweeten it a bit with honey or maple syrup.
→ What’s the best way to store these brownies?
Pop them into the fridge in a sealed container, and they’ll keep for up to 5 days. For longer storage, freeze them for 3 months tops. To freeze, put them on a tray in a single layer first, then move them to a freezer-safe bag or box. Let thaw in the fridge overnight or at room temperature for an hour.
→ Why did my brownie bites end up mushy?
Mushy brownies could mean they’re underbaked or that your bananas were too ripe for the recipe. It might also be your protein powder isn’t soaking up liquids enough. Bake a few minutes longer, add a spoonful more protein powder, or let them cool all the way since they firm up as they rest!
→ Can I make them nut-free?
Yes, just switch the nut butter for tahini or sunflower seed butter. Sunbutter works best because it’s close to peanut butter in consistency. Double-check that your protein powder doesn’t have any nuts, too, if that’s a concern.
→ How do I make them feel a little fancier?
You can mix in mini chocolate chips, top with a touch of ganache (melted dark chocolate and coconut milk), or hide a dollop of nut butter in the middle of each before baking. For an extra chocolate kick, add vanilla or sprinkle some sea salt over the top!

Brownie Bites Protein

Bananas, cocoa, nut butter, and protein powder come together for these chocolate brownies full of 9g of protein per bite—perfect guilt-free goodies with zero sugar added!

Prep Time
10 Minutes
Cook Time
20 Minutes
Total Time
30 Minutes

Category: Sweet Kitchen

Difficulty: Easy

Cuisine: American

Yield: 8 Servings (8 brownies)

Dietary: Vegetarian, Gluten-Free

Ingredients

→ For Making the Brownies

01 3 bananas that are very ripe
02 1/2 cup of creamy almond butter or peanut butter
03 2 scoops (about 1/2 cup) of protein powder—vanilla or chocolate
04 1/4 cup of cocoa powder, unsweetened

→ Optional Topping

05 A handful of mini chocolate chips (optional)

Instructions

Step 01

Get the oven ready at 350°F (175°C).

Step 02

Smash the bananas in a medium bowl until they're mostly smooth. A few tiny lumps are fine.

Step 03

Add the almond butter or peanut butter and stir it well into the mashed bananas.

Step 04

Pour in the protein powder and cocoa powder. Combine everything until the batter is thick and smooth.

Step 05

Place 8 silicone muffin cups in a muffin tray. The silicone keeps the batter from sticking.

Step 06

Spoon the batter into the prepared muffin cups, splitting it up evenly.

Step 07

Top each brownie with some mini chocolate chips, if you'd like.

Step 08

Bake the brownies for around 20 minutes or until they’re done. They might feel soft at first, but they'll harden as they cool.

Step 09

Let the brownie bites cool completely before taking them out of the cups. Eat them slightly warm, cold, or at room temp.

Notes

  1. Extra ripe bananas make the brownies naturally sweeter.
  2. Silicone muffin cups are great for preventing the mix from sticking.
  3. Try tossing everything into a blender or food processor for a silky batter.
  4. Store brownies in a sealed container in the fridge (up to 5 days) or freeze to keep them longer.

Tools You'll Need

  • Muffin tray
  • 8 silicone muffin cups
  • Medium-sized bowl
  • Measuring tools
  • Fork or masher to smash bananas
  • A spatula
  • Optional: A blender or food processor

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Has nuts (peanut butter or almond butter)
  • Check if the protein powder contains dairy.
  • Protein powder might also include soy, so double-check.
  • Uses chocolate (chips and cocoa powder).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 168
  • Total Fat: 9 g
  • Total Carbohydrate: 17 g
  • Protein: 9 g