Microwaved Chocolate Mug Cake

Featured in: Warm Sweet Bakes

This chocolate mug cake offers a speedy and satisfying treat with simple, everyday ingredients. Whisk together flour, cocoa, sugar, baking powder, and salt before blending in milk, oil, and vanilla. Optional chocolate chips or nuts add texture and richness. Cooked in the microwave in just under two minutes, the cake rises to a moist, fluffy finish. Perfect for a quick dessert or snack, it can be customized with coffee for depth or topped with ice cream or sauce for extra indulgence.

Updated on Tue, 18 Nov 2025 11:38:00 GMT
Steaming, freshly microwaved mug cake, perfect single-serve dessert with optional chocolate chips. Save
Steaming, freshly microwaved mug cake, perfect single-serve dessert with optional chocolate chips. | toastybloom.com

A quick and delightful single-serve chocolate cake made in minutes, perfect for satisfying sweet cravings without eggs.

I discovered mug cakes while craving dessert late at night. Being able to make a warm chocolate cake in minutes always feels magical and is my go-to for a fast treat.

Ingredients

  • All-purpose flour: 4 tbsp
  • Unsweetened cocoa powder: 2 tbsp
  • Granulated sugar: 3 tbsp
  • Baking powder: 1/4 tsp
  • Salt: Pinch
  • Milk: 3 tbsp (dairy or plant-based)
  • Vegetable oil: 2 tbsp
  • Vanilla extract: 1/4 tsp
  • Chocolate chips or chopped chocolate: 1 tbsp (optional)
  • Chopped nuts: 1 tbsp (optional)

Instructions

Combine Dry Ingredients:
In a large microwave-safe mug, whisk together flour, cocoa powder, sugar, baking powder and salt until well combined.
Add Wet Ingredients:
Add milk, vegetable oil and vanilla extract. Mix thoroughly with a fork or small whisk until smooth and no dry pockets remain.
Fold In Add-Ins:
Stir in chocolate chips or nuts if using.
Microwave:
Microwave on high for 1 minute and 30 seconds to 2 minutes, until the cake has risen and the center is just set.
Serve:
Let cool for 1-2 minutes before eating directly from the mug.
A fluffy, chocolatey microwaved mug cake, ready to devour, a quick sweet treat in a mug. Save
A fluffy, chocolatey microwaved mug cake, ready to devour, a quick sweet treat in a mug. | toastybloom.com

This mug cake has become a sweet tradition for our family when anyone needs a mood boost or a simple weekday dessert. Sometimes we make two mugs and customize the toppings for each person.

Required Tools

Large microwave-safe mug (12 oz or larger), fork or small whisk and measuring spoons are all you need to prepare this cake.

Allergen Information

Contains wheat (gluten), possible dairy (if using regular milk), and soy (if using chocolate chips with soy lecithin). For gluten-free use gluten-free all-purpose flour and for dairy-free use plant-based milk. Always check ingredient labels.

Nutritional Information

Each serving contains approximately 340 calories, 15 g total fat, 48 g carbohydrates and 5 g protein.

Close-up of a delightful microwaved mug cake, warm and comforting, an easy chocolate dessert. Save
Close-up of a delightful microwaved mug cake, warm and comforting, an easy chocolate dessert. | toastybloom.com

Enjoy your warm chocolate mug cake directly from the mug. It's the perfect quick treat for any occasion.

Recipe FAQs

Can I use plant-based milk for this cake?

Yes, both dairy and plant-based milk work well, allowing for a dairy-free option.

How do I ensure the cake cooks evenly?

Use a microwave-safe mug and mix ingredients thoroughly to avoid dry pockets for even cooking.

What is the best way to add extra flavor?

Adding a pinch of instant coffee powder deepens the chocolate flavor without overpowering.

Can I substitute any ingredients for dietary needs?

Gluten-free flour and sugar alternatives can be used to accommodate dietary preferences.

How long should I let the cake cool before eating?

Allow 1-2 minutes to cool so it sets properly and is safe to enjoy directly from the mug.

Microwaved Chocolate Mug Cake

Delightful single-serve chocolate cake, made quickly with basic pantry staples in a microwave mug.

Prep Time
5 minutes
Time for Cooking
2 minutes
Complete Time
7 minutes
Recipe Creator Grace Miller

Recipe Group Warm Sweet Bakes

Skill Level Easy

Cuisine Type American

Servings Made 1 Portion Count

Dietary Notes Meat-Free

What You Need

Dry Ingredients

01 4 tablespoons all-purpose flour
02 2 tablespoons unsweetened cocoa powder
03 3 tablespoons granulated sugar
04 1/4 teaspoon baking powder
05 Pinch of salt

Wet Ingredients

01 3 tablespoons milk (dairy or plant-based)
02 2 tablespoons vegetable oil
03 1/4 teaspoon vanilla extract

Optional Add-Ins

01 1 tablespoon chocolate chips or chopped chocolate
02 1 tablespoon chopped nuts

Step-by-Step Directions

Step 01

Combine dry ingredients: In a large microwave-safe mug (at least 12 oz), whisk together flour, cocoa powder, sugar, baking powder, and salt until fully incorporated.

Step 02

Add wet ingredients: Pour in milk, vegetable oil, and vanilla extract. Mix thoroughly with a fork or small whisk until batter is smooth and free of dry pockets.

Step 03

Incorporate optional add-ins: Fold in chocolate chips or chopped nuts if desired, ensuring even distribution in the batter.

Step 04

Microwave cooking: Cook on high power for 1 minute 30 seconds to 2 minutes, until the cake has risen and the center appears set but still moist.

Step 05

Cooling and serving: Allow to cool for 1 to 2 minutes before enjoying directly from the mug.

Tools You'll Need

  • Large microwave-safe mug (12 oz or larger)
  • Fork or small whisk
  • Measuring spoons

Allergy Details

Look over every item for allergens. If unsure, check with your healthcare provider.
  • Contains wheat (gluten) and possible dairy if using regular milk.
  • May contain soy if chocolate chips with soy lecithin are used.
  • Use gluten-free flour for gluten-free option and plant-based milk for dairy-free version.

Nutrition (per portion)

For guidance only: not a replacement for professional medical counsel.
  • Energy (Calories): 340
  • Fats: 15 g
  • Carbohydrates: 48 g
  • Proteins: 5 g