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Home > Recipes > Protein Brownies and Bars

Whey Protein Brownies (Easy Recipe)

smiling woman in kitchen.
Updated on Jul 1, 2026 · By Andréa Marchese · This post may contain affiliate links · Leave a Comment
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whey protein brownies with text overlay.
whey protein brownies with text overlay.
whey protein brownies with text overlay.

These fudgy whey protein brownies are made with just 6 simple ingredients, and they bake in just 20 minutes. This healthy protein snack is great for meal prep, too!

whey protein brownie, bitten, in hand.

Recipe Summary: Whey Protein Brownies

  • ✅ Recipe Name: Whey Protein Brownies
  • 🧑‍🍳Equipment Needed: Square baking pan, kitchen scale, mixing bowl, etc.
  • 🕒 Ready In: 35 minutes
  • 👪 Serves: 9 (easy to scale)
  • 🍽 Calories: 177cal per brownie
  • 💪🏼 Protein: 12g per brownie
  • 🥣 Main Ingredients: Unsweetened applesauce, almond butter, protein powder, cocoa powder, sugar, salt
  • 📖 Dietary Info: Make-a-head friendly, kid-friendly
  • ⭐ Why You'll Love It: Only six ingredients and baked in 20 minutes, this is the epitome of a healthy and FAST protein snack. Great for meal prep!

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Ingredients

Creating a fudgy brownie recipe with whey protein powder is not an easy task, as whey protein likes to bake very cake-like. Here, we are using applesauce and almond butter to keep that cake structure from happening. The result is delicious!

  • 1 cup (222 g) unsweetened applesauce
  • ½ cup (128 g) almond butter
  • 1 ¼ cup (135 g) chocolate whey protein powder
  • 2 tablespoons (11 g) cocoa powder
  • 2 tablespoons (18 g) coconut sugar
  • ⅛ teaspoon (0.7 g) salt

This recipe works for whey protein only, and I highly suggest using whey protein concentrate (not isolate).

If you'd like to make a more indulgent brownie with collagen powder (and real butter), see this recipe for super-fudgy collagen brownies.

Sweetener swap: Feel free to swap out the coconut sugar for granulated erythritol or your sweetener of choice. If you use a liquid sweetener like maple syrup or honey, you may need to bake the brownies for a few minutes longer.

Go nuts! Swap out the almond butter for peanut butter for peanut butter protein brownies, or use your favorite nut or seed butter.

Go bananas! Swap out the applesauce for mashed banana (or even pumpkin!). In this case, check the brownies after 15 minutes.

stacked whey protein brownies on a stack of plates.

How to make whey protein brownies

Step 1: Preheat oven to 325F (163C), and line an 8" square baking pan with parchment paper and/or spray it with non-stick cooking spray.

brownie pan with parchment and non-stick cooking spray.

Step 2: Mix applesauce and almond butter until combined well.

applesauce and almond butter mixed together in a bowl.

Step 3: Add remaining ingredients, and mix well.

protein brownie batter mixed in a bowl.

Step 4: Let the brownie batter sit for 5 minutes to allow the protein the hydrate. (It's worth the wait; skipping this will give you dry protein brownies!)

protein brownie batter in a bowl, after the protein has hydrated.

Step 5: Pour batter into pan.

whey protein brownie batter in a pan, ready for the oven.

Step 6: Bake for 18-20 minutes, just until firm. Let the brownies cool slightly in the pan, about 10-15 minutes.

whey protein brownies after being baked, still in the pan.

Step 7: Remove the brownies from the pan and cut into 9 equal pieces (3 cuts each way). And enjoy!

whey protein brownies on parchment, cut into 9 pieces.

Expert Tips

I just want to reinforce the importance of using the right protein powder in this recipe, and that is whey protein concentrate. (Whey isolate will be too dry.)

whey protein brownies in a glass meal prep container.

These whey protein brownies are even better the next day. Make them today, and enjoy them all week!

Recipe

whey protein brownie, bitten, in hand.

Whey Protein Brownies (Easy Recipe)

Andréa Marchese
These easy whey protein brownies are perfect for meal prep and make a satisfying high protein snack or dessert when chocolate cravings hit!
No ratings yet
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 20 minutes mins
Total Time 35 minutes mins
Servings 9 brownies

Equipment

  • oven thermometer highly recommended
  • 8x8 square baking pan
  • parchment paper
  • kitchen scale highly recommended
  • mixing bowl
  • spoon
  • rubber spatula recommended, to get all of the batter out of the pan

Ingredients

  • 1 cup (222 g) unsweetened applesauce
  • ½ cup (128 g) almond butter
  • 1 ¼ cup (135 g) chocolate whey protein powder
  • 2 tablespoons (11 g) cocoa powder
  • 2 tablespoons (18 g) coconut sugar
  • ⅛ teaspoon (0.7 g) salt

Instructions
 

  • Preheat oven to 325F (163C).
  • Line an 8" square pan with parchment paper.
  • Mix applesauce and almond butter until combined well.
    1 cup (222 g) unsweetened applesauce, ½ cup (128 g) almond butter
  • Add remaining ingredients, and mix well.
    1 ¼ cup (135 g) chocolate whey protein powder, 2 tablespoons (11 g) cocoa powder, 2 tablespoons (18 g) coconut sugar, ⅛ teaspoon (0.7 g) salt
  • Let the brownie batter sit for 5 minutes to allow the protein the hydrate.
  • Pour batter into pan, and bake for 18-20 minutes, just until firm. (It will be firm to the touch, but the bite will still be soft!)
  • Let the brownies cool slightly in the pan, about 10-15 minutes.
  • Remove the brownies from the pan and cut into 9 equal pieces (3 cuts each way). And enjoy!
  • Store leftovers in the refrigerator.

Notes

This recipe works for whey protein only, and I highly suggest using whey protein concentrate (not isolate).
If you'd like to make a more indulgent brownie with collagen powder (and real butter), see this recipe for super-fudgy collagen brownies.
Sweetener swap: Feel free to swap out the coconut sugar for granulated erythritol or your sweetener of choice. If you use a liquid sweetener like maple syrup or honey, you may need to bake the brownies for a few minutes longer.
Go nuts! Swap out the almond butter for peanut butter for peanut butter protein brownies, or use your favorite nut or seed butter.
Go bananas! Swap out the applesauce for mashed banana (or even pumpkin!). In this case, check the brownies after 15 minutes.

Nutrition

Serving: 1brownie | Calories: 177kcal | Carbohydrates: 11g | Protein: 12g | Fat: 9g | Fiber: 4g | Sugar: 5g | Net Carbohydrates: 7g
Tried this recipe?Please consider leaving a review!

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smiling woman in kitchen.

Hi, I'm Andréa! I’ve been baking with protein powder since 2013, and I can give you all the top tips for creating delicious high protein snacks, desserts, and more.

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