Quick Chocolate Mug Cake Recipe for One in 5 Minutes

Chocolate Mug Cake is ideal when you want a single helping of dessert without baking a whole cake or dealing with leftovers. This mug cake cooks in the microwave and turns out moist, fluffy, and richly chocolatey in just minutes.

digging a spoon into a chocolate cake inside of a mug

If you’re craving a big slice of chocolate cake but don’t have the time or energy to bake, a mug cake is the perfect solution. You can enjoy a decadent, single-serving chocolate cake in under five minutes with just a few pantry staples and a microwave.

Why You’ll Love This Chocolate Mug Cake Recipe

  • Perfect size. Baked in a mug, this is an individual treat — one serving, minimal fuss, and no leftovers.
  • Chocolate decadence. Despite its small size, it delivers all the rich chocolate flavor of a traditional cake in a single portion.
  • Fast and simple. From start to finish in about five minutes, it’s a reliable quick dessert for any craving.
spooning out mug cake topped with whipped cream

Recipe Ingredients

  • Butter
  • Flour — all-purpose, or almond flour for a gluten-free option
  • Sugar — swap for monk fruit or another sugar substitute if desired
  • Cocoa powder
  • Egg
  • Chocolate chips
  • Vanilla extract
  • Baking powder
  • Salt
  • Whipped cream for topping (optional)

How to Make Chocolate Mug Cake

Ready in five minutes, this microwave mug cake is a quick way to satisfy a chocolate craving. Exact amounts and a printable recipe card are included below for convenience.

Butter in a mug.
Cocoa powder, flour, and butter in a mug.
Stirring through a chocolate batter inside a mug.
  1. Melt. Put butter in a 12-ounce microwave-safe mug and microwave about 30 seconds until melted.
  2. Add. Stir in flour, sugar, cocoa powder, beaten egg, chocolate chips, vanilla, baking powder, and a pinch of salt.
  3. Stir. Mix with a fork until the batter is smooth and evenly combined.
  4. Microwave. Cook 50 seconds to 1 minute, or until the top is set but still moist.
  5. Top and serve. Add whipped cream and extra chocolate chips if desired, then enjoy immediately.

Recipe Tips

  • Avoid over-mixing. Stir just until combined to keep the cake light and tender.
  • Use the right mug. A 12-ounce microwave-safe mug gives the batter room to rise without overflowing.
  • Monitor while cooking. Microwave power varies; watch the cake and stop the microwave when the center is set.
chocolate cake in a mug topped with chocolate chips

Serving Suggestions

Top the mug cake with whipped cream and extra chocolate chips for a classic finish. For a fruitier contrast try a spoonful of raspberry or blueberry sauce, or serve alongside a mocha iced coffee for a more indulgent pairing.

More Chocolate Dessert Recipes

  • Chocolate Babka
  • Chewy Chocolate Chip Cookies
  • Chocolate Rice Crispy Treats
spooning out mug cake topped with whipped cream
5 from 7 votes

Chocolate Mug Cake

by Katerina | Easy Weeknight Recipes
A moist, indulgent chocolate mug cake that cooks in the microwave in about a minute — perfect for one.
Prep Time: 4 minutes
Cook Time: 1 minute
Total Time: 5 minutes
Servings: 1

Ingredients 

  • 2 tablespoons butter
  • 3 tablespoons all-purpose flour, or use ¼ cup almond flour for low carb version
  • 2 tablespoons sugar, use monk fruit for a low-carb option
  • 1 tablespoon cocoa powder
  • 1 large egg, beaten
  • 1 tablespoon chocolate chips, plus more for garnish (optional)
  • 1 teaspoon pure vanilla extract
  • ½ teaspoon baking powder
  • pinch of salt
  • whipped cream, for topping

Instructions 

  • Place butter in a 12-ounce microwave-safe mug and melt it in the microwave for about 30 seconds.
  • To the melted butter, add flour, sugar, cocoa powder, beaten egg, chocolate chips, vanilla, baking powder, and salt; stir with a fork until thoroughly combined.
  • Cook for 50 seconds to 1 minute in the microwave or until the top of the cake is set.
  • Top with whipped cream and more chocolate chips; serve immediately.

Equipment

  • Measuring cups and spoons
  • 12-ounce microwave-safe mug

Notes

  • Avoid over-mixing: Mix until just combined to prevent a dense texture.
  • Mug size: Use a 12-ounce mug so the batter can rise without spilling.
  • Microwave power: Microwaves vary; start with a shorter time and add more if needed.
  • Monitor cooking: Watch the cake as it cooks and stop the microwave if it rises too high.
  • Check for doneness: A toothpick should come out clean or with a few moist crumbs.
  • Let it rest: Allow a minute or two to cool so the cake sets and flavors develop.

Nutrition

Calories: 538kcal | Carbohydrates: 56g | Protein: 10g | Fat: 31g

Nutritional info is an estimate and provided as a courtesy. Values will vary based on ingredients and preparation.


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