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    Home > Blog > Protein Desserts > Protein Cookies

    Double Chocolate Frosting Protein Cookies (Whey/Casein)

    Updated: Dec 9, 2024 · Published: May 9, 2015 · By Andréa Marchese · This post may contain affiliate links · 2 Comments

    Jump to Recipe

    Chocolate protein cookies sandwiched with a double chocolate protein frosting. Yes. These Double Chocolate Protein Cookies are chocolate heaven!

    six chocolate sandwich protein cookies filled with thick chocolate protein frosting on a white plate with a light background
    Double Chocolate Protein Cookies

    There are a couple of things I love about Quest Nutrition's new protein powder, a whey/casein blend. Because of the added casein, it bakes very well without having to add lots of dry ingredients (carbs!). Also because of the added casein, it makes a thick, creamy frosting.

    So I whipped up some chocolate protein cookies and chocolate protein frosting, and voilà! Double Chocolate Protein Cookies!

    The frosting is delicious on its own, too, so I've included the macros for it alone below. Enjoy!

    Recipe

    six chocolate sandwich protein cookies filled with thick chocolate protein frosting on a white plate with a light background

    Double Chocolate Frosting Protein Cookies (Whey/Casein)

    Andréa Marchese
    Makes 10 cookie sandwiches.
    5 from 2 votes
    Print Recipe Pin Recipe
    Prep Time 20 minutes mins
    Cook Time 12 minutes mins
    Total Time 32 minutes mins
    Servings 10 sandwich cookies

    Ingredients

    Cookies:

    • 1 cup Quest protein powder chocolate or multi-purpose (84g)
    • 2 tablespoons cacao powder optional if using chocolate powder (11g)
    • ¼ cup coconut flour 28g
    • 1 teaspoon baking powder 5ml
    • two pinches of sea salt
    • 2 tablespoons erythritol 12g
    • ¼ cup coconut oil melted (56g or 60ml)
    • ⅓ cup almond-coconut milk 80ml

    Frosting (filling):

    • ½ cup Quest protein powder chocolate or multi-purpose (42g)
    • 1 avocado about 1 cup, 150g
    • 2 - 3 tablespoons cacao powder 2 if using chocolate powder, 3 if using multi-purpose (11g)
    • 1 tablespoon date sugar 9g

    Instructions
     

    • Preheat oven to 325F (163C).
    • Combine all the dry ingredients: protein powder, cacao, coconut flour, baking powder, salt, erythritol.
    • Mix in the coconut oil and almond-coconut milk. You may need to use your hands to be sure the dough is well combined.
    • Roll the dough on parchment paper, and cut 20 circular cookies using a cookie cutter. Or, roll the dough into 20 balls, and flatten each in your hand.
    • Place cookies on a parchment-lined baking sheet, and bake for 10-12 minutes until firm.
    • Remove cookies from oven, and let cool.
    • Meanwhile, place frosting ingredients in a blender or food processor. Process until smooth.
    • Make cookie sandwiches by spooning frosting between two cookies.
    • Enjoy! Store extras in the refrigerator.

    Notes

    The Multi-purpose Quest protein powder is unflavored and all-natural. The chocolate powder contains a small amount of sucralose.
    I don't typically add in the carbs from no-calorie sweeteners. If you add in the erythritol carbs, it will add 1g carb to each cookie sandwich (but it will not change the calories).
    To make a nut-free version, use cartoned coconut milk instead of almond-coconut.
    A note about substitutions: If you would like to replace the whey/casein blend with whey only, double the coconut flour in the cookie recipe. If you'd like to replace it with casein only, half the coconut flour in the cookie recipe. For the frosting, whey would likely make a pudding consistency rather than a frosting. Coconut flour (1 tablespoon?) will thicken it up, but it may make the frosting a little grainy. See my Recipe Basics video to learn more about how the different protein powders mix and bake up.
    Macros for the whole frosting recipe are:
    Prot: 37g, Carbs: 33g (16g fiber, 8g sugar), Fat: 23g, Cal: 466.

    Nutrition

    Serving: 1g | Calories: 140kcal | Carbohydrates: 6g | Protein: 11g | Fat: 8g | Fiber: 3g | Sugar: 1g
    Tried this recipe?Please consider leaving a review!

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    Comments

    1. Andréa says

      May 20, 2015 at 10:10 pm

      My pleasure! Thanks for your support, Jen!
      :)
      Andréa

    2. Jen says

      May 20, 2015 at 6:51 pm

      5 stars
      Wow! How did i just find your blog?! I always tell my friends and family that I'm going to discover all these different ways to make protein cakes, cookies and donuts And here it is! Just made the double chocolate frosting cookies and i LOVE them! Thanks for doing all the hard work!

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    andrea at the gym holding cupcakes

    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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