5-Minute Chocolate Mug Cake
This chocolate mug cake recipe is a small, soft cake made in a mug. It takes 5 minutes in total. It is easy because you mix all of it in one mug and cook it in the microwave.
For more dessert ideas, see all Desserts recipes.
Why You’ll Love It
- It is ready in 5 minutes.
- You need only one mug.
- It uses simple things from the cupboard.
- It is warm, soft, and sweet.
Key Ingredients Explained
Flour and cocoa powder
Flour helps this chocolate mug cake recipe rise and hold its shape. Cocoa powder gives the cake its chocolate taste and dark colour.
Baking powder
Baking powder is a small amount of powder that helps the cake rise in the microwave. Rise means the cake grows taller and soft.
Egg, milk, and oil
The egg helps hold the cake together. Milk and oil keep the cake soft and moist. Moist means not dry.
Ingredients
Prep time: 3 minutes. Cook time: 2 minutes. Total time: 5 minutes. Servings: 1.
- 4 tablespoons plain flour
- 2 tablespoons cocoa powder
- 3 tablespoons sugar
- 1/4 teaspoon baking powder
- 1 egg
- 3 tablespoons milk
- 2 tablespoons vegetable oil
- a few drops of vanilla (optional)

5-Minute Chocolate Mug Cake
Ingredients
Equipment
Method
- Mix flour, cocoa, sugar and baking powder in a large microwave-safe mug.
- Add egg, milk and oil and stir until smooth, with no dry flour left.
- Microwave on high for 1 minute 30 seconds to 2 minutes, until the cake rises and the centre is just set.
- Let it cool for 1 minute, then eat straight from the mug.
Instructions
- Mix flour, cocoa, sugar and baking powder in a large microwave-safe mug.
- Add egg, milk and oil and stir until smooth, with no dry flour left.
- Microwave on high for 1 minute 30 seconds to 2 minutes, until the cake rises and the centre is just set.
- Let it cool for 1 minute, then eat straight from the mug.


Tip: Use a large mug, so the cake has room to rise. Tip: Do not cook it too long, or it can get dry. Microwave-safe means the mug is safe to use in the microwave. Set means the centre is firm, not runny.
Variations
You can add a few chocolate chips on top if you like. You can eat it plain, or with a spoon of cream. Keep the mug cake the same size, so it cooks in 5 minutes.
What to Serve With
Eat this chocolate mug cake recipe warm, straight from the mug. A cold glass of milk goes well with it. A small scoop of ice cream is also nice, if you like it.
Storage
Eat it fresh if you can. It tastes best warm. If you have some left, cover the mug and keep it in the fridge. Eat it the same day, warmed gently in the microwave.
FAQs
What size mug should I use?
Use a large mug. The cake needs room to rise.
How long should I microwave it?
Microwave on high for 1 minute 30 seconds to 2 minutes, until the cake rises and the centre is just set.
Can I leave out the vanilla?
Yes. The cake is still sweet and soft without it.
Can I add chocolate chips?
Yes. Add a few chocolate chips on top if you like.
Can I eat it later?
It tastes best warm. If you have some left, cover the mug and keep it in the fridge. Eat it the same day, warmed gently in the microwave.
How long does it take?
It takes 5 minutes in total. Prep takes 3 minutes and cooking takes 2 minutes.






5 Comments