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This Chocolate Protein Mug Cake is going to be your go-to quick healthy dessert that’s not only hassle-free, but it can be ready in 5 minutes! This is the perfect single-serving chocolate cake recipe for a high-protein diet. It is moist and very satisfying without all the guilt.

For more desserts made with added protein powder, then you should check out my chocolate chip protein cookies and my protein brownies.

chocolate cake in a mug topped with chocolate chips.
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Protein Mug Cake Summary

You will love how easy it is to make this Chocolate protein mug cake recipe made in the microwave. So rich and delicious it is hard to believe that it’s clean and healthy. Plus it has the added protein! Don’t like protein powder or have any handy, you can replace it with equal amounts of almond meal. or almond flour. This mug cake recipe makes a large portion and can easily be shared with no baking required.

Ingredients for the mug cake

Below is a quick list of ingredients you will need to make this microwave mug cake recipe. Full measurements are listed further down below in the recipe card.

ingredients to make chocolate mug cake.
  • Semisweet chocolate chips: or you may use dark chocolate chips
  • Coconut oil: or any neutral oil
  • Flour: I used Coconut flour, but oat flour, almond flour, or all-purpose will work too
  • Whey Protein, chocolate flavor. Vanilla flavored will work, or plant-based.
  • Water or almond milk
  • Baking soda
  • One Egg
  • Vanilla Extract, Optional
  • Toppings are optional like coconut whipped cream, or vanilla Greek yogurt, option garnishes.

How to make chocolate protein mug cake

coconut oil added over chocolate chip in a white cup.

Step 1: Combine 3 tablespoons Semisweet chocolate chips and 1 tablespoon Coconut oil in a large microwave-safe mug.

melted chocolate in a white cup with whisk in the cup.

Step 2: Heat in the microwave for 20-second increments until melted; stir to combine.

protein powder, coconut flour, baking soda, added over melted chocolate in a cup.

Step 3: Add the 2 tablespoons Whey Protein, 3 tablespoons Coconut flour , 2-3 tablespoons Water, 1/2 teaspoon vanilla (if using), and 1/8 teaspoon Baking soda to the chocolate mixture.

yellow spatula mixing chocolate with the flour and protein powder.

Step 4: Stir until thoroughly combined.

one egg added over the chocolate and flour mixture in a white cup.

Step 3: Add 1 Egg to the chocolate mixture; stir well.

chocolate batter in a cup topped with chocolate chips.

Step 4: Sprinkle with the remaining two teaspoons of chocolate chips.

Step 5: Microwave until cake is cooked through, about 1 1/2 minutes. Cool the cake for about 2 minutes before eating. Top with garnishes like mint sprigs, coconut whipped cream, or vanilla Greek yogurt if desired.

hand holding the cooked chocolate mug cake from the microwave.

My Pro Tips

Recipe Tips

  • If your mug isn’t large, I suggest you pause the microwave after 1 minute just for 2-3 seconds, then continue cooking for the rest of the 30 seconds. The cake will deflate a bit, and it will ensure that the cake won’t flow.
  • It’s a large serving. If you eat half of it and decide to save the rest for another time, cover it with plastic wrap and place it in the fridge for up to 3 days. You can then reheat it for 30 seconds or so until it is heated through.

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chocolate cake in a mug on a cutting board.

Frequently asked questions

What is a mug cake?

So many ask this question so don’t feel left out if this question has crossed your mind. A mug cake is exactly what it sounds like. It is simply a cake made in a cup and usually, the recipe will be for a single serving of cake that’s quick and easy to make in a matter of minutes in the microwave.

Can this mug cake be baked in the oven?

This Chocolate mug cake recipe is solely developed to be cooked in the microwave for 1-2 minutes. This will not work in the oven and it is really pointless to wait 15 minutes or so when you can just pop it in the microwave instead.

Can I use plant-based protein?

Yes. You can use any protein of your choice.

What Can I use instead of coconut flour?

If you do not have coconut flour, you can use almond flour, oat flour, or any flour of your choice. Coconut flour adds moistness since protein powder tend to make any baked goods feel dry. So my first choice for a substitution would be almond flour or almond meal.

a white mug with chocolate cake in it.

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5 from 5 votes

Chocolate Protein Mug Cake

By: Rena
Servings: 1 -2 Serving
Prep: 3 minutes
Cook: 2 minutes
0 minutes
Total: 5 minutes
a cup of chocolate cake topped with chocolate chips.
A rich chocolate mug cake that’s ready in less than 5 minutes. Made with coconut flour, protein powder, one egg, coconut oil, baking soda, and chocolate chips. No baking is required.

Ingredients

  • 3 tablespoons Semisweet chocolate chips, plus 2 teaspoons for garnish (can use regular or mini sized chips)
  • 1 tablespoon Coconut oil
  • 3 tablespoons Coconut flour , oat flour, almond flour, or all-purpose will work too
  • 2 tablespoons Whey Protein, chocolate flavor
  • 2-3 tablespoons Water, start with 2, or almond milk
  • 1/8 teaspoon Baking soda
  • 1 Egg
  • 1/2 teaspoon vanilla , Optional
  • mint sprigs, coconut whipped cream or vanilla Greek yogurt, option garnishes

Instructions

  • Combine 3 tablespoons Semisweet chocolate chips and 1 tablespoon Coconut oil in a large microwave-safe mug; heat in the microwave for 20-second increments until melted; stir to combine.
    melted chocolate in a white cup with whisk in the cup.
  • Add the 2 tablespoons Whey Protein, 3 tablespoons Coconut flour , 2-3 tablespoons Water, 1/2 teaspoon vanilla (if using), and 1/8 teaspoon Baking soda to the chocolate mixture. Stir until thoroughly combined.
    protein powder, coconut flour, baking soda, added over melted chocolate in a cup.
  • Add 1 Egg to the chocolate mixture; stir well.
    one egg added over the chocolate and flour mixture in a white cup.
  • Sprinkle with the remaining two teaspoons of chocolate chips.
    chocolate batter in a cup topped with chocolate chips.
  • Microwave until cake is cooked through, about 1 1/2 minutes.
    hand holding the cooked chocolate mug cake from the microwave.
  • Cool the cake for about 2 minutes before eating. Top with garnishes like mint sprigs, coconut whipped cream or vanilla Greek yogurt if desired.

Notes

  • Serving size: This makes a large mug cake for a single serving. It could easily be divided into 2 servings.
  • If you do not want to use protein powder, you can replace it with almond flour, or oat flour.
  • If you only have vanilla protein powder, that’s fine. Add one teaspoon of cocoa powder.
  • The ingredients shop doesn’t include the vanilla because it’s optional. The protein powder is usually flavored. But if you aren’t going to use any protein powder, I recommend adding a bit of vanilla.
  • I like to start with 2 tablespoons of water. Depending on what flour you decide to go with, you may need to use another tablespoon of water or milk.

Nutrition

Calories: 623kcalCarbohydrates: 40gProtein: 36gFat: 37gSaturated Fat: 29gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.02gCholesterol: 211mgSodium: 335mgPotassium: 430mgFiber: 9gSugar: 19gVitamin A: 317IUVitamin C: 0.2mgCalcium: 254mgIron: 4mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Breakfast, Dessert
Cuisine: American
Tried this recipe?Mention @healthyfitnessmeals or tag #healthyfitnessmeals!

About Rena Awada

Hi, I’m Rena! Welcome to my blog. I am here to help you prepare delicious, light, fresh meals that your whole family will love!

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5 from 5 votes (4 ratings without comment)

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