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Home » Recipes » Brownies

Flourless Protein Brownie for 2 made with Cereal

Published: Feb 11, 2025 · Last Modified: Feb 24, 2025 by Haylee Jane Monteiro · This post may contain affiliate links

This Flourless Protein Brownie for 2 is a high-fiber, no-flour, no-added-sugar dessert made with cereal instead of flour! This Healthy Small Batch Brownie is easy to make, packed with protein, and perfect for a guilt-free treat.

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This Flourless Protein Brownie for 2 is a high-fiber, no-flour, no-added-sugar dessert made with cereal instead of flour! This Healthy Small Batch Brownie is easy to make, packed with protein, and perfect for a guilt-free treat.

If you’re craving a rich, fudgy, and high-protein brownie, this Flourless Protein Brownie is the perfect solution! Its got no flour, no added sugar, and is a high-fiber twist, ideal for satisfying sweet cravings without the guilt.

Instead of traditional flour, we use cereal, making this a unique and delicious flourless brownie with cereal that’s both nutritious and indulgent. It’s small enough for 1 or big enough for 2 depending on whether or not you want to share, haha.

Why You’ll Love This Small Batch Protein Brownie

  • Protein-Packed: With chocolate protein powder in both the brownie and frosting, this treat satisfies your cravings while fueling your muscles.
  • Flourless: Instead of traditional flour, we use cereal to keep this a Flourless Brownie with Cereal.
  • High-Fiber: 
  • Small Batch = No Waste! Perfect for two people or one big portion—no leftovers to tempt you later!
  • Easy & Quick: Made in one bowl with simple ingredients, this is the Best High-Fiber Brownie Recipe Without Flour you’ll ever try!

What are Flourless Brownies made of? The Ingredients:

Here’s what makes this No-Flour Brownie with High Protein so special:

For the Brownie:

  • Catalina Crunch Dark Chocolate Cereal – The secret ingredient that replaces flour while adding fiber and a delicious crunch. Here’s the link!
  • Chocolate Protein Powder – Boosts protein, provides sweetness all while enhancing the deep chocolate flavor. This chocolate protein powder from Quest Nutrition is what I use.
  • Cocoa Powder – Adds chocolatey richness without extra sugar or fat.
  • Baking Powder – Helps the brownie rise and stay soft.
  • Unsweetened Almond Milk – Adds moisture while keeping the brownie recipe low-calorie and dairy-free.
  • Unsweetened Applesauce – A natural substitute for butter and oil, keeping the brownie soft and moist.
  • Egg White – Adds structure and additional protein while keeping the brownie light.

For the Frosting:

  • Chocolate Protein Powder – Used again to create a high-protein frosting! I use the same one from Quest Nutrition.
  • Cocoa Powder – Enhances the chocolate flavor of the frosting.
  • Almond Milk – Used to adjust the consistency of the frosting.
  • Valentine’s Sprinkles (Optional) – A fun decorative touch!
This Flourless Protein Brownie for 2 is a high-fiber, no-flour, no-added-sugar dessert made with cereal instead of flour! This Healthy Small Batch Brownie is easy to make, packed with protein, and perfect for a guilt-free treat.

Alternative Ingredients for Protein Brownie with no Flour

Want to customize your Healthy Brownie Recipe with Cereal Instead of Flour? Here are some great swaps:

  • Cereal Alternatives: Instead of Catalina Crunch, try chocolate cheerios, cocoa kripies, or even cocoa puffs.
    A high fiber cereal would also work well. 
  • Protein Powder Variations: Swap chocolate for vanilla, cookies & cream, or peanut butter protein powder.
    Be sure to add a little extra cocoa powder in this case for that rich chocolate flavor.
  • Milk Substitutes: Use oat, cashew, coconut, or dairy milk instead of almond milk.
  • Unsweetened Applesauce: Feel free to use mashed banana or pumpkin puree, but this will alter the flavor of the brownie a little.
  • Sweetener Options: If you prefer a sweeter brownie, add monk fruit, stevia, or sugar-free syrup.
  • Frosting Variation: Replace protein powder with sugar-free melted chocolate, chocolate spread, or even nut butter for a different texture.

How can I make this Brownie with Cereal Recipe Vegan?

To make this cereal brownie vegan, you’ll need to make a few simple substitutions:

  • Whey-Casein Protein Powder: Replace this with a plant-based protein powder. Be sure to choose one that you enjoy the flavor of, as it will significantly impact the overall taste of the cake. I recommend is KOS or Truvani.

I also recommend adding a bit of vanilla extract and sweetener in this case since plant based protein powders have a different earthy taste.

  • Cereal: The cereal I recommended is Vegan so no issues there, but make sure that whatever alternative you use in this brownies plant based.
  • Sprinkles: Be sure to use sprinkles that are plant-based.

How to Make Flourless Protein Brownie for 2

This flourless protein brownie for 2 is very easy to make with one bowl and one ramekin! No complicated steps at all. Here’s what it takes:

Step 1: Preheat the Oven

Preheat your oven to 350°F (175°C) and lightly grease a large ramekin. This prevents sticking and helps the brownie bake evenly.

Step 2: Blend the Dry Ingredients

In a blender, combine the Catalina Crunch cereal, chocolate protein powder, cocoa powder, and baking powder. Blend until the cereal is finely ground, resembling a flour-like consistency. Transfer to a bowl.

Step 3: Mix the Wet Ingredients

Add the almond milk, applesauce, and egg white to the dry ingredients. Stir gently until the batter is smooth and thick.
Taste the batter; If you like your brownies sweeter, add a touch of stevia or monk fruit sweetener. I recommend these to make a sugar free and low calorie recipe.

Step 4: Bake the Brownie

Pour the cereal brownie batter into the prepared ramekin and bake for 22 minutes. The top should be set but still slightly soft in the center. Let it cool slightly before frosting.

Step 5: Make the Protein Frosting

In a small bowl, mix the chocolate protein powder, cocoa powder, and almond milk (adding the milk a little at a time) until a thick, spreadable consistency is reached.
You might need to add more or less milk depending on what protein powder brand you use, so start with only a little milk.

Step 6: Frost & Enjoy!

Once the brownie has cooled slightly, spread the frosting evenly over the top. Decorate with Valentine’s sprinkles if desired. Now, grab a spoon and dig in!

Storage Instructions

Since this is a protein brownie for 2, you likely won’t have leftovers! But if you do:

  • Refrigerator: Store in an airtight container for up to 2 days. Reheat in the microwave for a few seconds to restore the fudgy texture.
  • Freezer: Wrap the protein brownie for 2 in plastic wrap and freeze for up to 2 months. Thaw overnight in the fridge before reheating.

An important note: Make sureyou use an airtight container so the brownie doesn’t pick up odors from the fridge or get freezer burn in the freezer!

Recipe Tips for the Best Flourless Brownies with Cereal

  • Blending is Key: Make sure the cereal is blended into a fine flour-like texture for a smooth batter.
  • Adjust Sweetness to Taste: If you prefer a sweeter brownie, add stevia, monk fruit, or sugar-free syrup to the batter.
  • Don’t Overbake: The key to a fudgy brownie is baking until just set. If overbaked, the brownie may turn dry.
  • Be Careful with the Frosting! Too much milk added at once will make the frosting too runny. You can fix it with extra protein powder, but it would be better to just start off with less milk.
  • Customize the Frosting: If you want a richer frosting, try mixing in nut butter or Greek yogurt for added creaminess.

This Flourless Protein Brownie for 2 is the perfect flourless, high-protein, and high-fiber treat when you need a quick and easy dessert. Whether you’re looking for a Healthy Small Batch Brownie or a guilt-free post-workout snack, this Viral Flourless Brownie with Cereal is a must-try!

This Flourless Protein Brownie for 2 is a high-fiber, no-flour, no-added-sugar dessert made with cereal instead of flour! This Healthy Small Batch Brownie is easy to make, packed with protein, and perfect for a guilt-free treat.

Some other High Protein Recipes with Cereal:

  • Milk & Cereal Protein Bars
  • Peanut Butter Protein Cereal Bars
  • Rice Krispie Protein Cookie
  • PB Protein Rice Krispie Treats
  • Honey PB Cheerio Protein Bars
  • Lucky Charms Protein Cake

More Protein Powder Recipes for 2:

  • Protein Birthday Cake
  • Single Serve Protein Cheesecake
  • Valentine’s Trifle

Flourless Protein Brownie for 2 made with Cereal

Print recipe Pin Recipe
Prep Time8 minutes mins
Cook Time22 minutes mins
Total Time30 minutes mins
Servings: 2 portions
Calories: 187kcal
Course: Breakfast, Dessert
Cuisine: American
This Flourless Protein Brownie for 2 is a high-fiber, no-flour, no-added-sugar dessert made with cereal instead of flour! This Healthy Small Batch Brownie is easy to make, packed with protein, and perfect for a guilt-free treat.

Ingredients

  • ⅓ cup Catalina Crunch Dark Chocolate Cereal, 36g
  • ⅓ cup Chocolate Protein Powder, Whey-Casein, 30g
  • 1 tablespoon Cocoa Powder
  • ½ teaspoon Baking Powder
  • ¼ cup Unsweetened Almond Milk, 60ml
  • 3 tablespoon Unsweetened Applesauce, 45g
  • 1 Egg White, 31ml

Frosting:

  • 20 g Chocolate Protein Powder, Whey-casein
  • 20-30 ml Almond Milk
  • ½ tablespoon Cocoa Powder
  • 1 teaspoon Valentine’s Sprinkles

Instructions

  • Preheat oven to 350°F and lightly grease a large ramekin.
  • In a blender, combine cereal, protein powder, cocoa powder and baking powder.
  • Transfer to a bowl.
  • Add in milk, applesauce and egg white; Stir until combined.
    Batter should be smooth and thick.
  • Taste batter and add sweetener if needed.
  • Pour batter into ramekin.
  • Bake for 22 minutes. Top should be set, but slightly soft in the center.
    Let cool slightly.

Frosting:

  • Combine protein powder, cocoa powder and milk(adding little at a time) in a small bowl until thick but spreadable.
    Add more or less milk as needed.
  • Spread on cake and top with sprinkles.

Notes

  • Taste the batter and see if you need some extra sweetener; I’d recommend stevia if needed.
  • Nutrition value is calculated using products recommended below.
  • See post for alternate ingredients, tips and storage options.
Product Recommendations:
  • Catalina Crunch Dark Chocolate Keto Cereal
  • Quest Nutrition Chocolate Whey-Casein Protein Powder
  • KOS Plant Chocolate Protein Powder
  • Truvani Plant-based Chocolate Protein Powder
Nutrition:
  • Yield: 1 brownie | Serving size: ½
  • Calories: 187 cal
  • Fat: 4.9g | Saturated fat: 2.5g
  • Carbohydrates: 15g | Fiber: 7.8g | Sugar: 2.4g
  • Protein: 27.1g

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Hi, I'm Haylee!

I use my passion for baking (and my sweet tooth) to create healthy, high protein, low fat and sugar free desserts and sweet treats that are actually delicious.

Come join me in Hayl's Kitchen and let's eat high protein, sweet and guilt free!

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