One-Minute Protein Brownie

How to make a fudgy 100-calorie protein brownie in just one minute using three simple ingredients with 13 grams of protein.

sarah thompson for recipes by clare
By Sarah Thompson
Updated on Wed, 23 Jul 2025 13:01:15 GMT

When you’re craving chocolate but want to fuel your body with protein, this one-minute protein brownie becomes your kitchen superhero. I discovered this recipe during my own competition prep when I desperately needed something that satisfied my sweet tooth without derailing my macros. After countless trials, my teenagers finally declared this version “actually good” – the ultimate test in my house.

Protein brownies have revolutionized how we think about healthy desserts, transforming from chalky disappointments into genuinely satisfying treats. This microwavable version uses just three main ingredients to create a fudgy, ooey-gooey brownie, similar to how my Cookies and Cream Protein Ice Cream redefines healthy indulgence. The secret lies in using pumpkin as the base, which creates incredible moisture while keeping calories surprisingly low.

Let’s get cooking!

Why You’ll Love This One-Minute Protein Brownie

I’ve tested this recipe dozens of times with my family, and it never fails to impress even my pickiest eaters. The one-minute cook time means you can satisfy chocolate cravings instantly without the commitment of baking a full batch of brownies. At just 100 calories and 13 grams of protein, this brownie fits perfectly into any macro-friendly lifestyle while actually tasting indulgent. The pumpkin base creates incredible fudginess without any weird protein powder aftertaste that ruins so many healthy desserts. My favorite feature is how customizable this recipe is – you can adjust sweetness, add mix-ins, or even make it ahead in meal prep jars. The texture hits that perfect sweet spot between cake and brownie that makes it feel like a real treat, not a protein bar disguised as dessert.

Storage & Serving Tips

Store prepared brownie batter in 4-ounce microwave-safe jars in the refrigerator for up to five days, making this perfect for meal prep. Pro tip: I recommend starting with shorter cook times and adding 15-second intervals until you reach your preferred texture, as microwaves vary significantly in power. For best results, let the brownie cool for about 30 seconds after cooking to prevent burns and allow the texture to set properly. These brownies pair beautifully with fat-free whipped topping, a small scoop of low-calorie ice cream like my Chocolate Cottage Cheese Ice Cream, or fresh berries for extra antioxidants. I usually double the recipe when making it fresh since one brownie is never enough in my house, and the doubled version cooks perfectly in 2-2.5 minutes.

Conclusion

This one-minute protein brownie proves that healthy eating doesn’t require sacrifice or complicated preparations. The combination of speed, nutrition, and genuine chocolate satisfaction makes this recipe a game-changer for anyone balancing health goals with real-life cravings. Give this recipe a try tonight, or explore other satisfying options like our Protein Pudding to enjoy dessert that actually supports your goals.

One-minute protein brownie in white mug showing fudgy texture and rich chocolate color

One-Minute Protein Brownie

A 3-ingredient microwavable protein brownie with 100 calories and 13 grams of protein, ready in just one minute
Prep Time 2 minutes
Cook Time 1 minute
Total Time 3 minutes
Servings: 1 portions
Course: Dessert, Snack
Cuisine: American
Calories: 100

Ingredients
  

  • 1/4 cup canned pumpkin 60g
  • 1/2 scoop vanilla protein powder 16g, whey concentrate or blend preferred
  • 1 tablespoon unsweetened dark cocoa powder 5g
  • 1-2 teaspoons granulated sugar substitute optional, to taste

Equipment

  • Microwave
  • Small bowl or mug
  • Measuring cups and spoons

Method
 

  1. Mix the protein powder, cocoa powder, and sugar substitute (if using) in a microwave-safe bowl or mug.
  2. Add the canned pumpkin and stir until well combined into a smooth batter.
  3. If you want to easily remove the brownie after cooking, transfer batter to a second mug sprayed with nonstick cooking spray.
  4. Microwave for 1-1.5 minutes for a single recipe, watching for overflow depending on bowl size.
  5. Let cool for 30 seconds before eating. Add toppings like whipped cream or chocolate chips if desired.

Notes

Pumpkin can be substituted with unsweetened applesauce, mashed banana, or half pumpkin/half applesauce. Cook time varies by microwave power. Can be made ahead in jars and refrigerated for 4-5 days.
Fudgy One Minute Protein Brownie

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