3-Ingredient Mug Cake (Flourless)

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5 from 7 votes

This 3-Ingredient Mug Cake is an easy fudgy chocolate mug cake ready in 90 seconds that kids can make themselves! Plus, it’s a healthy mug cake recipe, refined sugar-free, high in protein, and low-carb to fix your sweet tooth with no guilt!

3 ingredients chocolate mug cake

If you or the kids crave a cake, but you don’t feel like baking for hours, this easy recipe is for you!

Plus, this is a healthy chocolate mug cake, naturally:

  • Gluten-free
  • Flourless
  • Dairy-free
  • Low-carb
  • Sugar-free option if you want to turn this into a keto chocolate mug cake.

How To Make 3-Ingredient Mug Cake?

It’s super simple to make this mug cake with 3 ingredients. All you need is a microwave-safe coffee mug or ramekin, tall enough to prevent the mug cake batter from overflowing. You don’t need baking powder for this recipe!

flourless mug cake

Ingredients

The ingredients you need to make this delicious single-serve cake are:

  • Peanut butter – or any nut butter you like including almond butter, cashew butter, or sunflower seed butter for a nut-free option.
  • Cocoa powder – I used Milo cocoa powder because it contains vitamins, nutrients and it’s low GI, understand low sugar-sweetened with brown rice syrup.
  • Large egg – this mug cake doesn’t work with egg replacers because it’s a flourless mug cake recipe, which means egg acts as a binder.

Instructions

First, beat egg and peanut butter in a small bowl or directly in your microwave-safe mug.

Then, whisk in cocoa powder until the batter is smooth.

Transfer to a tall 12-oz coffee mug cake is perfect.

Microwave on high for 90 seconds or until the mug cake rises and its top is set.

If the mug cake is still too wet in the center, return to the microwave by 10-second bursts until set.

How to make 3 ingredients chHow to make 3 ingredients chocolate mug cakeHow to make 3 ingredients chocolate mug cakeocolate mug cake

Serving ideas

This chocolate mug is delicious plain, lukewarm from the coffee mug. Or, you can also upside down the mug cake on a plate to cool down for a few minutes.

Serving ideas for this chocolate mug cake are:

  • Whipped cream
  • Fresh berries like strawberries
  • Drizzle peanut butter
  • Dark chocolate chips – add them in the batter or on top of the hot mug cake, they melt on top, and it adds a delicious flavor to the cake.
  • A scoop of your favorite ice cream
  • a dollop of my Healthy vanilla frosting

Frequently Asked Questions

Can I bake the mug cake?

Yes, you can place the batter of your mug cake in an oven-safe ramekin and bake at 350°F (180°C) for 15 minutes in the center rack of the oven.

What Can I Do If My Mug Cake Is Too Wet?

Keep microwaving by 10-second bursts until it is set in the center. In fact, cooking time varies based on your microwave power – mine is 900W.

But, some microwaves work at lower power than others, and based on that parameter, you may need to microwave the mug cake longer to set.

Can I Make This Mug Cake Lower In Carbs?

You can decrease the sugar and net carbs in this mug cake recipe using sugar-free drinking chocolate powder.

3 ingredients mug cake

Have you made this easy kid recipe? Share a comment or review below.

Carine

3 ingredients chocolate mug cake

3-Ingredients Mug Cake

An easy 3-Ingredients Chocolate Mug Cake recipe, 100% dairy-free, flourless and gluten-free.
5 from 7 votes
Prep Time3 mins
Cook Time2 mins
Total Time5 mins
Yield: 1 mug cake
Calories: 284kcal
Author: Carine

Ingredients

Optional - for a fluffier cake

  • 1/2 teaspoon Baking Powder

Instructions

  • In a microwave-safe tall mug, whisk egg and fresh, drippy peanut butter.
  • Whisk in cocoa powder until the batter is smooth and creamy.
  • Microwave at 900W for 90 seconds or until the mug cake rises in the mug and is set and dry on top. If too wet in the center, return to the microwave by 10-second bursts until cooked through.
  • Cool the mug cake down for 1-2 minutes and serve with whipped cream, ice cream or betties, or chocolate chips on top.
  • Don't store mug cakes. Eat them within 20 minutes, or they get dense and chewy.

Nutrition

Nutrition Facts
3-Ingredients Mug Cake
Serving Size
 
1 serving
Amount per Serving
Calories
284
% Daily Value*
Fat
 
22
g
34
%
Saturated Fat
 
6
g
38
%
Trans Fat
 
1
g
Polyunsaturated Fat
 
6
g
Monounsaturated Fat
 
10
g
Cholesterol
 
186
mg
62
%
Sodium
 
432
mg
19
%
Potassium
 
429
mg
12
%
Carbohydrates
 
13
g
4
%
Fiber
 
5
g
21
%
Sugar
 
3
g
3
%
Protein
 
16
g
32
%
Vitamin A
 
270
IU
5
%
Calcium
 
172
mg
17
%
Iron
 
3
mg
17
%
* Percent Daily Values are based on a 2000 calorie diet.

3 ingredient Mug Cake

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