Microwave Brownie in a Mug (Fudgy, Fast & Crave-Worthy)

When a chocolate craving hits and waiting for an oven feels impossible, Microwave Brownie in a Mug is the ultimate solution. This single-serving dessert delivers rich, fudgy brownie goodness in just minutes — no baking trays, no long cleanup, and no sharing required.

Mug desserts have exploded in popularity because they’re fast, comforting, and perfectly portioned. This brownie-in-a-mug recipe is designed to give you that classic brownie texture: moist, slightly gooey in the center, and deeply chocolatey. Unlike dry or cakey versions, this one stays soft and indulgent thanks to the right balance of fat, sugar, and cocoa.

Whether you need a late-night treat, a quick dessert for one, or a fun recipe kids can help make, this microwave brownie checks all the boxes.

Why Microwave Mug Brownies Work

Microwave cooking is all about speed and moisture retention. Because the batter cooks quickly, it traps steam inside the mug, creating a soft and fudgy texture. The key is not overcooking — even a few extra seconds can turn a gooey brownie into a rubbery one.

Why this method is so popular:

• Ready in under 5 minutes
• Uses pantry ingredients
• No oven required
• Perfect single serving

This recipe is also easy to customize with add-ins like chocolate chips, peanut butter, or nuts.

Ingredients for Microwave Brownie in a Mug

You likely have everything you need already.

Ingredients

• 4 tablespoons all-purpose flour
• 2 tablespoons unsweetened cocoa powder
• 3 tablespoons granulated sugar
• 2 tablespoons chocolate chips
• 3 tablespoons milk
• 2 tablespoons vegetable oil
• ¼ teaspoon vanilla extract
• Pinch of salt

Step-by-Step Instructions

1. Add dry ingredients to a microwave-safe mug and stir until combined.
2. Mix in milk, oil, and vanilla until a smooth batter forms.
3. Fold in chocolate chips gently.
4. Microwave on high for 60–90 seconds, checking at 60 seconds.
5. Let rest for 30 seconds before eating.
6. Enjoy warm, straight from the mug.

Microwave Brownie in a Mug

A quick, fudgy single-serve brownie made in the microwave using simple pantry ingredients.

Print Recipe Pin Recipe

Prep Time 3 minutes mins

Cook Time 2 minutes mins

Total Time 5 minutes mins

Servings: 1 mug

Course: Dessert

Cuisine: American

Calories: 420

Ingredients

  

• 4 tbsp all-purpose flour
• 2 tbsp unsweetened cocoa powder
• 3 tbsp granulated sugar
• 2 tbsp chocolate chips
• 3 tbsp milk
• 2 tbsp vegetable oil
• 0.25 tsp vanilla extract
• 1 pinch salt

Equipment

• Microwave-safe mug
• Spoon

Method

 

1. Mix dry ingredients in a microwave-safe mug.
2. Stir in milk, oil, and vanilla until smooth.
3. Fold in chocolate chips.
4. Microwave for 60–90 seconds until just set.
5. Rest briefly and enjoy warm.

Notes

For fudgier texture, slightly undercook.

Pro Tips for the Perfect Mug Brownie

• Use a large mug to prevent overflow
• Stir well to avoid dry pockets
• Slightly undercook for fudgy texture
• Let it rest — it continues to set

Fun Variations

• Peanut Butter Brownie – swirl in 1 tablespoon peanut butter
• Nutella Brownie – add a spoonful before microwaving
• Mint Chocolate Brownie – add a drop of peppermint extract
• Walnut Brownie – stir in chopped nuts

Toppings That Make It Even Better

Top your mug brownie with:

• Vanilla ice cream
• Whipped cream
• Chocolate syrup
• Powdered sugar

It instantly turns a quick treat into a full dessert experience.

Common Mistakes to Avoid

• Overmicrowaving (leads to dryness)
• Using a small mug
• Skipping the salt (it enhances chocolate flavor)

Why This Recipe Is a Keeper

This microwave brownie in a mug delivers instant gratification without sacrificing flavor or texture. It’s reliable, customizable, and perfect for when you want dessert now, not later.

Final Thoughts

Microwave Brownie in a Mug proves that great desserts don’t need to be complicated. In just minutes, you can enjoy a warm, fudgy brownie made entirely in one mug — comfort food at its fastest and finest.