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    Home » All Recipes » Healthy Snacks

    Brownie Protein Bars

    Published: Jun 6, 2025 by Allison · This post may contain affiliate links · 2 Comments

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    These brownie protein bars are gluten-free, no-bake healthy, and taste just like fudge brownies! Made with nutritious cashew butter, protein powder, collagen, and cocoa, and sweetened with maple syrup, they are the perfect post-workout snack or healthy dessert option. Skip the store-bought protein bars and make these instead.

    straight on shot of a stack of the bars

    I love brownies, and I love homemade protein bars. Combining my two loves and creating these indulgent-tasting yet healthy brownie protein bars is perhaps one of my best decisions all week.

    While this is the first protein bar recipe that I have shared on the blog, I plan to share many more over the summer. We are an active family, and we always like to have healthy homemade snacks on hand. A few of our favourite homemade sweet snacks include these Monster Cookie Granola Bars, these Cashew Butter Cookie Dough Bars and these Chocolate Hemp Pumpkin Seed Energy Balls.

    Jump to:
    • Why You’ll Love This Recipe
    • Ingredients
    • Instructions
    • Recipe Substitutions
    • Equipment
    • Storage
    • Allison’s Tips
    • FAQ
    • Related Recipes
    • Pairing
    • Brownie Protein Bars

    Why You’ll Love This Recipe

    • Easy: These protein bars take 30 minutes to make from start to finish, and there’s no food processor or oven required. Simply add all of the ingredients to the bowl, stir or mix with your hands, and press into a pan lined with parchment paper. Top with melted chocolate and optional candy-coated chocolate for a “Cosmic Brownie” protein bar. Pop in the freezer until firm, then slice.
    • Healthy: Refined sugar-free and naturally sweetened with maple syrup, packed with protein from both whey protein powder and collagen, and rich in healthy fat thanks to cashew butter. Naturally gluten-free and grain-free.
    • High in protein: Each bar contains 13 grams of protein, making this a great post-workout snack or healthier dessert option.

    Ingredients

    Here is an overview of the ingredients you’ll need to make this recipe. Scroll down to the recipe card for exact quantities.

    an overhead photo of the ingredients with text overlay
    • Protein Powder: I recommend using unflavoured, unsweetened whey protein powder in these bars. You may use your favourite unflavoured and unsweetened protein powder, but keep in mind that the texture might be affected. Whey protein has a very fine, smooth texture.
    • Collagen Powder: Collagen powder is rich in several amino acids and can improve skin elasticity and joint health, as well as strengthen hair and nails. I recommend bovine collagen powder from grass-fed cows in this recipe.
    • Cashew Butter: Cashew butter provides a creamy texture. You can use peanut butter, almond butter, or sunflower seed butter instead.
    • Cocoa Powder: Cocoa powder provides a rich chocolate flavour. You may use raw cacao powder in its place.
    • Maple Syrup: Maple syrup keeps these protein bars refined sugar-free.
    • Salt: Balances and enhances the flavour of the chocolate. I use fine sea salt or Redmond Real Salt.
    • Vanilla Extract: Vanilla is necessary to provide brownie-like flavour.
    • Chocolate Chips: Semisweet chocolate chips are melted with coconut oil for a delicious topping.
    • Coconut Oil: Helps to thin out the melted chocolate chips.
    • Naturally Coloured Candy-Coated Chocolate: Only if you want to turn Brownie Protein Bars into Cosmic Brownie Protein Bars! I use Pure Food By Este Rainbow All Natural Candy Coated Mini Chocolate Chips.

    Instructions

    1. Step 1: Combine all ingredients together in a mixing bowl.
    1. Step 2: Stir until combined. The mixture should have the consistency of cookie dough. If it is crumbly, add 1-2 tablespoons of milk. Note: I recommend using your hands to mix so that all ingredients come together into one uniform dough.
    1. Step 3: Press the dough into a 9×5-inch loaf pan lined with parchment paper.
    1. Step 4: Combine chocolate chips and coconut oil in a small saucepan.

    5. Step 5: Melt over low heat until smooth, stirring occasionally.

    6. Step 6: Pour the melted chocolate over the protein bar.

    7. Step 7: Top with candy-coated chocolate chips, if using. Transfer into the freezer and freeze until firm, 20 minutes.

    8. Step 8: Remove from the freezer and slice into bars.

    Hint: The chocolate topping often cracks a little bit when sliced, so don’t worry about perfect slices. To minimize cracking, run your knife under hot water for 10 seconds, then dry it and proceed with slicing the bars.

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    Recipe Substitutions

    • Cashew Butter – You can use almond butter, peanut butter, or sunflower seed butter instead.
    • Maple Syrup – You can use honey instead, but keep in mind that honey is a bit sweeter than maple syrup, so you won’t need as much.
    • Collagen – To keep these bars vegetarian, you can replace the collagen with oat flour or almond flour. If you find that the dough is too dry, add some milk, 1 tablespoon at a time, until the mixture comes together like cookie dough.
    straight on shot of a protein bar with a bite taken out of it

    Equipment

    Before you make this recipe, ensure that you have the following:

    • 9×5-inch loaf pan
    • Parchment paper
    • Bowl for mixing up the protein bar dough
    • Measuring cups
    • Measuring spoons
    • Large spoon for mixing
    • Small saucepan for melting the chocolate and coconut oil

    Storage

    Store these protein bars in an airtight container in the refrigerator for two weeks or in the freezer for three months.

    Allison’s Tips

    • Mix by hand: Because the dough is quite thick, mixing by hand ensures that all of the ingredients get mixed together.
    • Use the right protein powder: This recipe was tested with unsweetened and unflavoured whey protein powder. I have not tried plant-based protein powders in this recipe, but feel free to experiment.
    • Add liquid: If for some reason the dough is dry, add milk, one tablespoon at a time, until the desired consistency is reached.
    • Use drippy cashew butter: Don’t use thick/dry cashew butter. You want cashew butter that is quite drippy. Using a nut butter that is dry will result in very dry and crumbly protein bars.

    FAQ

    Is it cheaper to make your own protein bars?

    Yes, it is cheaper to make your own protein bars. The ingredients might cost a bit more up front, but each bar ends up costing way less than a store-bought protein bar.

    Are protein bars good for you?

    Store-bought protein bars can contain many additives and artificial sweeteners. Homemade protein bars that are made with natural, whole food ingredients are good for you.

    Related Recipes

    Looking for other healthy snack recipes? Try these:

    • featured image for the post, overhead shot of the bars on a wooden tray
      Double Chocolate Oatmeal Breakfast Bars (Vegan)
    • overhead photo of an almond butter oatmeal s'mores square on a sheet of parchment on a wooden tray
      Almond Butter S’mores Oatmeal Squares (Vegan)
    • angled overhead shot of two servings of blended sweet potato baked oats in ramekins on a wooden board
      Sweet Potato Blended Baked Oats
    • close up shot of a bar with a bite taken out of it to show the peanut butter date mix inside
      Vegan Peanut Butter Date Chocolate Bars (6 Ingredients!)

    Pairing

    These homemade protein bars are great on their own, but they are even better with a glass of milk or a bowl of yogurt with berries.

    Did you make this recipe? Let me know how much you loved it with a star rating and a comment below.

    Take a picture of your finished recipe and tag me on Instagram (@upbeet.kitchen), follow me on Pinterest, or connect with me on Facebook. I love seeing all your creations!

    Print
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    featured image for the post, a stack of protein bars

    Brownie Protein Bars


    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    5 from 1 review

    • Author: Allison
    • Total Time: 30 minutes
    • Yield: 12 servings 1x
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    Description

    These brownie protein bars are gluten-free, no-bake healthy, and taste just like fudge brownies! Made with nutritious cashew butter, protein powder, collagen, and cocoa, and sweetened with maple syrup, they are the perfect post-workout snack or healthy dessert option. Skip the store-bought protein bars and make these instead.


    Ingredients

    Scale
    • ¾ cup cashew butter
    • ⅓ cup maple syrup
    • ⅓ cup cocoa powder (or raw cacao powder)
    • ½ cup unsweetened + unflavoured whey protein powder
    • ⅓ cup collagen powder
    • 1 teaspoon vanilla extract
    • ¼ teaspoon sea salt

    Topping

    • ½ cup semisweet chocolate chips
    • 1 teaspoon coconut oil
    • 2 tablespoons naturally coloured candy-coated chocolate chips (optional)

    Instructions

    1. Combine all of the protein bar ingredients together in a large bowl. Stir until the mixture forms a cookie dough-like consistency. Note: I recommend mixing with your hands instead of a spoon to ensure that everything gets well mixed. 
    2. Line a 9×5-inch loaf pan with parchment paper. The parchment should hang over the sides of the pan so that you can lift the bar out easily afterwards. 
    3. Press the protein bar dough into an even layer in the loaf pan. 
    4. In a small saucepan, warm the chocolate chips and coconut oil over low heat until melted, stirring occasionally. Pour over the protein bar in the pan, smoothing with a spoon. 
    5. Sprinkle the candy-coated chocolate chips over top, if using. 
    6. Place in the freezer for 20 minutes, or until the chocolate topping has set. 
    7. Slice into 10-12 small bars and enjoy. 

    Notes

    Storage: These bars can be stored in an airtight container in the refrigerator for 2 weeks or in the freezer for 3 months. 

    • Prep Time: 10 minutes
    • Chilling Time: 20 minutes
    • Category: Snack, Dessert
    • Method: Freeze

    Did you make this recipe?

    Tag @upbeet.kitchen on Instagram and hashtag it #upbeetkitchen

    Comments

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      Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    1. Nancy says

      June 07, 2025 at 9:47 am

      These protein bars are fabulous!

      Reply
      • Allison says

        June 09, 2025 at 4:52 pm

        Glad to hear that you enjoyed them!

        Reply
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    Hi, I'm Allison! Welcome to Up Beet Kitchen, a food blog with wholesome, nutrient-dense recipes designed to unearth vibrant health and wellness.

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