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Home > Blog > Protein Dessert Recipes > Protein Cake Recipes

Banana Walnut Cake with Cream Cheese Frosting

smiling woman in kitchen.
Updated on Jan 29, 2026 · By Andréa Marchese · This post may contain affiliate links · Leave a Comment

Hello Protein Bakers! Today I'm excited to share with you a recipe that I created for this new Proteinfull Baking Classic Yellow Cake mix. As you can see from the photos, it has a great soft cake texture. And it is full of flavor!

square pieces of frosted banana walnut cake with a ripe banana on the right and pieces of walnuts surround the cake pieces
Banana Walnut Cake with Cream Cheese Frosting made with Proteinfull Baking cake mix

First a little about the cake mix. It is made with a combination of almond, whey, and flax proteins. This is the best combo I've ever baked with in terms of both taste and texture. It keeps its moisture and stays soft and yummy!

The cake mix is sweetened with monk fruit and erythritol. It's a great sweetener combo! And, of course, the macros are great. Check it out!

Now for this Banana Walnut Protein Cake recipe, I wanted to sub bananas for the applesauce. But I also wanted to increase the amount of banana for extra flavor. So I went with the egg white prep method on the back of the package (all the way at the bottom): 3 large egg whites and 6T mashed banana (which is about 1 medium ripe banana, instead of applesauce). Plus the ⅔ cup water, of course. And I added ½ teaspoon cinnamon and ¼ cup chopped walnuts. Easy!

The full recipe details are on Proteinfull Baking's site:

Recipe: Banana Walnut Cake with Cream Cheese Frosting

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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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