Mug Cakes: 6 Quick and Customizable Recipes

What is a mug cake?

A mug cake, literally "cake in a cup," is an individual dessert that's super quick to prepare. It's made directly in a mug (or a large cup) with simple ingredients, then cooked in 1 to 2 minutes in the microwave. The concept was born from the need for instant indulgence without special equipment or dishes.

This minute cake requires no oven, no molds, and no food processor. It can be:

• sweet or savory,
• lightened up or ultra-indulgent,
• high-protein,
• or vegan.

Its simplicity and versatility explain its success.

How to make a mug cake?

1. Choose a suitable mug

Use a 300 to 350 ml cup to prevent the mixture from overflowing.

2. Assemble the ingredients

Add directly to the cup:

• Flour (or blended oat flakes)
• Sugar or substitute
• Liquid (milk, plant-based drink, etc.)
• Fats (butter, oil, almond butter)
• Baking powder
• Egg or substitute
• Fruits, chocolate, toppings to your liking

3. Mix thoroughly

Use a spoon to homogenize the batter. Scrape the sides well.

4. Cook in the microwave

Average time: 1 min to 1 min 30 at 800 W. Adjust according to your appliance's power.

5. Let rest for 1 minute

The mug cake continues to cook slightly after being removed from the microwave. This resting period improves texture and taste.

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6 Mug Cake Recipe Ideas

1. Chocolate Mug Cake Recipe

Ingredients :

• 2 tbsp oat flour
• 1 tbsp unsweetened cocoa
• 1 tbsp sugar
• 1 egg
• 1 tbsp milk
• 1 tbsp neutral oil
• 1/2 tsp baking powder
• Chocolate chips (optional)

Preparation :

1. In a mug, pour the flour, cocoa, sugar, and baking powder. .
2. Mix well. Add the egg, milk, and oil, then mix until a homogeneous batter is obtained.
3. Add chocolate chips if desired.
4. Cook in the microwave at maximum power for 1 minute 30 seconds.
5. Let rest for a minute before enjoying warm.

Tips :

• For a softer texture, use whole milk or a rich plant-based drink (almond, oat).
• Monitor cooking, as it may vary depending on the microwave's power.
• Do not overcook to prevent the mug cake from being dry.

2. Healthy Mug Cake

Ingredients :

• 2 tbsp oat flour
• 1 mashed banana
• 1 egg white
• 1 tbsp plant-based milk
• 1/2 tsp baking powder
• Vanilla flavor

Preparation :

1. Mix the oat flour and baking powder in the mug.
2. Add the mashed banana, egg white, and plant-based milk. Mix well.
3. Add a little cinnamon or vanilla extract for flavor.
4. Cook in the microwave for 1 minute to 1 minute 30 seconds depending on the power.
5. Let cool a bit before enjoying.

Tips :

• Banana naturally replaces sugar, ideal for limiting calories.
• You can add dried fruits or seeds for fiber intake.
• For a richer taste, add a spoonful of almond or peanut butter.

3. Eggless Mug Cake

Ingredients :

• 2 tbsp flour
• 1 tbsp cocoa
• 1/2 mashed banana
• 1 tbsp milk
• 1/2 tsp baking powder
• Dark chocolate pieces (optional)

Preparation :

1. In the mug, mix the flour, cocoa, and baking powder.
2. Add the mashed banana and milk, mix well.
3. Add chocolate pieces if desired.
4. Cook for 1 minute 30 seconds in the microwave.
5. Let rest before enjoying.

Tips :

• Banana acts as a natural binder, replacing the egg.
• Choose a ripe banana for more sweetness.
• This recipe is ideal for people with allergies or who are vegan.

4. Plain Mug Cake

Ingredients :

• 2 tbsp oat flour
• 1 tbsp sugar
• 1 egg 1 tbsp milk
• 1/2 tsp baking powder
• 2-3 drops of vanilla flavoring or salt

Preparation :

1. In the mug, mix the flour, sugar, baking powder, and a pinch of salt or vanilla.
2. Add the egg and milk, then mix until a smooth batter is obtained.
3. Cook for 1 minute 30 seconds in the microwave.
4. Let cool a bit before eating.

Tips :

• This is the ideal base to accompany jam or fruit coulis.
• You can flavor with lemon or orange zest for more freshness.
• Be careful not to overcook to prevent the cake from drying out.

5. High-Protein Mug Cake

Ingredients :

• 1 tbsp oat flour
• 1 tbsp protein powder (whey or plant-based)
• 1 egg 1 tbsp milk
• 1/2 banana or 1 tbsp applesauce
• 1/2 tsp baking powder
• Dark chocolate chips (optional)

Preparation :

1. Mix the oat flour, protein powder, and baking powder in the mug.
2. Add the egg, milk, and mashed banana or applesauce.
3. Add chocolate chips if desired.
4. Cook for 1 minute 30 seconds in the microwave.
5. Let cool before tasting.

Tips :

• Ideal after exercise, this mug cake provides protein and energy quickly.
• You can adjust the texture by adding a little more milk if needed.
• Applesauce or banana makes the preparation softer.

6. Savory Mug Cake with Vegetables and Cheese

Ingredients :

• 2 tbsp flour (wheat or whole wheat flour)
• 1 egg 1 tbsp milk (or unsweetened plant-based drink)
• 1 tbsp olive oil
• 1/2 tsp baking powder
• 1 tbsp grated cheese (emmental, goat cheese, or mozzarella)
• A few diced cooked vegetables (zucchini, bell pepper, tomato, spinach…)
• Salt, pepper, herbs (oregano, basil, chives…)

Preparation :

1. In a mug, mix the flour, baking powder, a pinch of salt, and pepper.
2. Add the egg, olive oil, and milk.
3. Mix until a homogeneous batter is obtained.
4. Stir in the cooked vegetables and grated cheese.
5. Mix again gently to distribute the ingredients evenly.
6. Cook in the microwave for about 1 minute 30 seconds to 2 minutes depending on the power.
7. Let cool slightly before enjoying.

Tips :

• Pre-cook vegetables by steaming or sautéing to prevent them from releasing too much water during cooking.
• You can add a pinch of turmeric or paprika to enhance the flavor.
• If the texture seems too dense after cooking, adjust by adding a little more milk next time.
• This mug cake can be transformed into a protein snack by adding a spoonful of cottage cheese or ricotta to the batter.

Mug Cake Shelf Life

Mug cake is an express preparation designed to be consumed immediately after cooking. It's a minute cake that, unlike traditional pastries, generally contains no preservatives or stabilizers. This implies a fairly short shelf life.

1. How long can a mug cake be stored?

Generally, a mug cake can be stored for up to 24 hours after baking if properly stored. However, the texture and taste can quickly degrade, especially if it contains eggs, milk, or fresh fruit.

• At room temperature (20-22°C) : Up to 2 hours maximum, especially if it contains sensitive ingredients.
• In the refrigerator : Between 12 and 24 hours, in an airtight container or covered with plastic wrap.
• In the freezer : Not recommended. The structure of the mug cake does not tolerate freezing well. It becomes spongy or rubbery after thawing.

2. Tips for proper mug cake storage

• Let it cool completely before covering, to avoid condensation (a source of moisture and mold).
• Use plastic wrap or an airtight container if you need to store it for a few hours in the refrigerator.
• Do not reheat more than once: a second microwave cooking will dry out the cake.

3. Can you prepare a mug cake in advance?

It is entirely possible to prepare the batter in advance (before cooking), store it in the refrigerator in the mug, and then cook it just before eating. This method saves time while maintaining a soft and fresh texture.

Storage time for raw batter in the refrigerator : up to 12 hours, making sure to cover it well.

When to eat a mug cake?

Mug cake can be consumed at several times of the day:

• For breakfast : Oat and protein version.
• As a snack : After a workout or between meals.
• For dessert : For a sweet touch after a meal.
• As a late-night snack : In a lighter, high-fiber version.

How to make a successful mug cake every time?

Properly measure ingredients

The balance between dry and liquid ingredients is essential for a soft texture. Batter that is too liquid will not cook well, while batter that is too dry will result in a hard cake.

Mix correctly

Carefully mix all ingredients directly in the mug, scraping the sides well to prevent flour from sticking to the edges or bottom. A perfectly mixed batter promotes even cooking of the mug cake.

Adjust cooking time

Cooking time varies depending on the microwave's power. It is best to start with 60 to 90 seconds at 800 W, then adjust in 10-second increments. An overcooked mug cake will be dry, while an undercooked mug cake may be runny in the center (which is sometimes desired).

Mug cake, 6 quick and customizable recipes: in summary

Mug cake is a simple, quick, and adaptable solution for everyone. Whether you're looking for an express snack, a comforting dessert, or a healthier option, simply adjust the ingredients to your needs: with or without egg, rich in protein, no added sugar, or vegan.

Prepared in just a few minutes, it allows you to indulge without spending hours in the kitchen. Its versatility makes it an ideal ally for athletes, busy foodies, or those who want to control what they consume, while maintaining a balanced approach.