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Home > Recipes > Protein Cake Recipes

Chocolate Peanut Butter Protein Snack Cake

smiling woman in kitchen.
Updated on Mar 2, 2026 · By Andréa Marchese · This post may contain affiliate links · 2 Comments

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This Chocolate Peanut Butter Protein Snack Cake brings the chocolate and peanut butter flavor combo into a super-simple cake! Just mix the 5 ingredients, and bake!

six pieces of square cut chocolate peanut butter protein snack cake on a white plate, side angled view
Chocolate Peanut Butter Protein Snack Cake

And if you enjoy this recipe, check out our banana peanut butter protein shake recipe! It's great with chocolate protein powder, too.

🥜 You may also enjoy 15 Easy Peanut Butter Protein Balls Recipes!

Recipe

six pieces of square cut chocolate peanut butter protein snack cake on a white plate, side angled view

Chocolate Peanut Butter Protein Snack Cake

Andréa Marchese
Easy, delicious recipe for gluten-free Chocolate Peanut Butter Protein Snack Cake. Perfect for a protein snack or high protein breakfast! Makes 4 servings (made in a loaf pan).
5 from 4 votes
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Prep Time 5 minutes mins
Cook Time 20 minutes mins
Total Time 25 minutes mins
Servings 4 servings

Ingredients

  • ½ cup chocolate whey protein powder 51g
  • ½ cup powdered peanut butter 56g
  • ½ teaspoon baking powder 2.5ml
  • 2 large egg whites 66g
  • ¼ cup unsweetened applesauce 56g

Instructions
 

  • Preheat oven to 325F (163C).
  • Line a loaf pan (or one similarly sized) with parchment paper, and set aside.
  • Mix ingredients until smooth.
  • Pour into pan and bake for about 20 minutes, until firm and a toothpick comes out clean.
  • Let cool, and enjoy!

Notes

A note about substitutions: because each type of protein powder has a distinct flavor and texture when baked, I would not try substituting different types of protein powders in this recipe. 

Nutrition

Serving: 1/4 recipe | Calories: 124kcal | Carbohydrates: 9g | Protein: 15g | Fat: 3g | Fiber: 2g | Sugar: 4g

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Comments

  1. Andréa Marchese says

    March 22, 2024 at 4:29 pm

    Yes! Although you might want to add a touch of water to make the banana mash similar in texture to applesauce.

  2. KB says

    February 17, 2024 at 6:51 pm

    Hi there, can you substitute the apple sauce for mashed banana?

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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.

More about me →

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