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    Home » Healthy Sweet Treats

    Microwave Protein Mug Brownie

    Published: Nov 11, 2022 · Modified: Nov 21, 2022 by Jim Mee Sha · This post may contain affiliate links

    Jump to Recipe Print Recipe

    This amazingly fudgy and decadent protein mug brownie makes the perfect healthy treat! All you need is 8 simple ingredients and 5 minutes to make this recipe. Vegan and gluten-free, a serving of this microwave protein brownie contains around 15g of protein!

    Mug brownie topped with flaked salt on a brown saucer with a teaspoon beside.

    Here is another fun and delicious way to utilize your protein powder! This indulgent protein mug brownie is rich, fudgy, and easy to make. Like my chocolate protein mug cake, this recipe is great as a pre or post-workout snack. 

    Jump to:
    • 💚Why you will love this recipe 
    • 🍌What you will need 
    • 📃Ingredients notes and substitutions 
    • 🔪How to make 
    • ✔Helpful tips 
    • 🍓Topping ideas 
    • ❔Commonly asked questions
    • 🍨More easy vegan desserts
    • 📖 Recipe

    💚Why you will love this recipe 

    • Ultra fudgy, gooey, and rich-tasting 
    • Quick and easy to prepare - ready in 5 minutes! 
    • Gluten-free, vegan, and high in protein - 15g per serve!
    • Versatile and highly customizable - feel free to add anything that sounds good! (vanilla extract, instant coffee, etc.) 

    🍌What you will need 

    Ingredients needed like banana, maple syrup, oat flour, protein powder, and cocoa powder.

    📃Ingredients notes and substitutions 

    • Banana - Can be substituted with ¼ cup of applesauce. 
    • Milk - any kind of plant-based milk will work. You can even use regular dairy milk. 
    • Maple syrup - Feel free to substitute it with another liquid sweetener like agave syrup, honey, or sugar-free syrup. 
    • Oat flour - You can easily make homemade oat flour by grinding oats in a high-speed blender or food processor. For a lower-carb option, substitute it with almond flour. 
    • Protein powder - It is highly recommended you use plant-based protein powder like pea, hemp, or soy as they work best in baking. A chocolate-flavored one works best. 

    🔪How to make 

    You can either prepare mug cake batter in a mug or in a ramekin before transferring it to a mug. 

    Start by mashing the banana until fairly smooth. Then, add milk and maple syrup. Stir to combine. 

    Mashed banana in a white ramekin with a fork beside.
    Wet ingredients in a ramekin with a fork with an empty ramekin beside.

    Add protein powder, oat flour, cocoa powder, chocolate chips, and baking powder. Mix well and optionally, top it with more chocolate chips. 

    Brownie batter in a white ramekin with an empty ramekin beside.
    Brownie batter in a mug with an empty ramekin beside.

    Microwave for 60-90 seconds, or until the top appears to be set. Serve and enjoy your protein mug brownie while warm! 

    Protein mug brownie topped with flaked sea salt on a grey background.

    ✔Helpful tips 

    • You must use a good-tasting protein powder to ensure the best result. 
    • Adjusting for sweetness - Depending on the type of protein powder used, you might need to adjust the amount of maple syrup used. You can even omit it if your protein powder is sweet enough! 
    • This microwave protein brownie is best eaten fresh, but you can refrigerate it for 2-3 days in an airtight container. 
    • It is not recommended to reheat your brownie as this might dry it out. Luckily, this protein mug brownie tastes good cold too! 
    • To bake - Bake brownie in an oven preheated to 180C/350F for 10-15 minutes, or until the center is no longer gooey. 

    🍓Topping ideas 

    • Ice cream of choice - vanilla-flavored ones work exceptionally well! 
    • Whipped cream, a drizzle of chocolate syrup, or more chocolate chips 
    • Nut butter - peanut butter, almond butter, tahini 
    • Fresh fruits - berries, banana slices 
    • Flaked sea salt 
    Mug brownie on a brown saucer with a spoon beside with chocolate chips and another mug brownie in the background.

    ❔Commonly asked questions

    Can I bake my mug brownie?

    You can bake your protein mug brownie in an oven preheated to 180C/350F for 10-15 minutes or until the center is no longer soft. Ensure that the mug used is oven-safe.

    Why is my mug brownie chewy and rubbery?

    You might have cooked it for too long. To make it taste better, you can pour some milk to soften it and serve it with your favorite toppings to improve the texture and flavor further.

    🍨More easy vegan desserts

    • Mug french toast topped with bleberries with bowl of blueberries, maple syrup, and a blue teacloth beside.
      Microwave Mug French Toast
    • Mug cookie with a spoon and dish of chocolate chips beside.
      Eggless Chocolate Chip Mug Cookie (Vegan)
    • A tray of sliced oat flour brownies arranged on a parchment paper.
      Healthy Oatmeal Brownies
    • Muffins arranged on a creased baking paper with specks of shredded zucchini and carrot in the background.
      Moist Zucchini Apple Carrot Muffins

    If you did make this recipe, do leave a rating and comment down below, we love hearing from you! Subscribe to My Plantiful Cooking to get new recipes delivered straight to your inbox! Follow us on Instagram, Facebook and Pinterest to get the latest updates. 😉

    📖 Recipe

    Mug brownie topped with flaked sea salt on a brown saucer served with a teaspoon.

    Microwave Protein Mug Brownie

    Meesha
    This amazingly fudgy and decadent protein mug brownie makes the perfect healthy treat! All you need is 8 simple ingredients and 5 minutes to make this recipe. Vegan and gluten-free, a serving of this microwave protein brownie contains around 15g of protein!
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 3 minutes mins
    Cook Time 1 minute min
    Total Time 4 minutes mins
    Course Dessert, Snack
    Cuisine American
    Servings 1 serving
    Calories 271 kcal

    Ingredients
     
     

    • ½ medium banana about 50g/2oz
    • 3 tablespoons soy milk or another plant-based/dairy milk of choice
    • 1 tablespoon maple syrup see notes**
    • 2 tablespoons oat flour
    • 2 tablespoons chocolate protein powder plant-based preferred*
    • 1 tablespoon cocoa powder
    • 1 tablespoon chocolate chips
    • ½ teaspoon baking powder
    Prevent your screen from going dark

    Instructions
     

    • Grease an mug (around 8oz capacity) with some cooking spray or oil. Mash banana with a fork until smooth.
      ½ medium banana
    • Next, add milk and maple syrup. Stir to combine.
      3 tablespoons soy milk, 1 tablespoon maple syrup
    • Add the rest of the ingredients and mix well.
      2 tablespoons oat flour, 2 tablespoons chocolate protein powder, 1 tablespoon cocoa powder, 1 tablespoon chocolate chips, ½ teaspoon baking powder
    • Microwave for 60-90 seconds, or until the top appears set. The exact cooking time is hugely dependent on the power of your microwave.
    • Serve and enjoy your microwave protein brownie while warm!

    Notes

    *Protein powder - It is highly recommended you use plant-based protein powder like pea, hemp, or soy as they work best in baking. A chocolate-flavored one is recommended.
    **Maple syrup - Depending on the type of protein powder used, you might need to adjust the amount of maple syrup used. You can even omit it if your protein powder is sweet enough!
     
    Helpful tips
    • You must use a good-tasting protein powder to ensure the best result. 
    • This microwave protein brownie is best eaten fresh, but you can refrigerate it for 2-3 days in an airtight container. 
    • It is not recommended to reheat your brownie as this might dry it out. Luckily, this protein mug brownie tastes good cold too! 
    • To bake - Bake brownie in an oven preheated to 180C/350F for 10-15 minutes, or until the center is no longer gooey. 

    Nutrition

    Calories: 271kcalCarbohydrates: 44gProtein: 15gFat: 6gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gCholesterol: 2mgSodium: 392mgPotassium: 433mgFiber: 4gSugar: 25gVitamin A: 215IUVitamin C: 8mgCalcium: 226mgIron: 5mg

    Nutrition info calculated is just a rough estimate and is provided as a courtesy. Bear in mind that value will vary based on variables like specific brand or type of product used. To obtain the most accurate representation, it is highly recommended that you calculate it on your own with the actual amount and type of ingredient used.

    Did you make this recipe ?Tag @myplantifulcooking on Instagram !

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    Graphic with 2 images of mug brownie on a brown saucer served with spoon with text between the images.
    Graphic holding a mug brownie served with spoon with text at the bottom.
    Protein mug brownie on a brown saucer with a spoon beside with text overlay.