Microwave Brownie in a Mug Recipe
Introduction
This brownie in a mug recipe is a quick and delightful treat you can make in just minutes. Perfect for when you crave something chocolatey without the hassle of baking a whole batch.

Ingredients
- 3 tablespoons all-purpose flour
- 3 tablespoons Dutch-process cocoa powder
- 3 tablespoons brown sugar
- 1 pinch salt
- ¼ teaspoon vanilla extract
- 3 tablespoons milk
- 3 tablespoons vegetable oil
- 2 tablespoons chocolate chunks or chips
- 1 tablespoon beaten egg
Instructions
- Step 1: In a 6 to 8-ounce microwave-safe mug, stir together the flour, cocoa powder, brown sugar, and salt until well combined.
- Step 2: In a separate bowl, beat one egg thoroughly with a fork or small whisk. Measure out 1 tablespoon of the beaten egg and add it to the mug.
- Step 3: Add the vanilla extract, milk, and vegetable oil to the mug. Stir everything together to form a smooth batter.
- Step 4: Mix in half of the chocolate chunks into the batter, then sprinkle the remaining chunks on top.
- Step 5: Microwave the mug for 1 minute to 1 minute 15 seconds. The brownie is done when the surface looks set and no longer wet.
Tips & Variations
- Use dark or semi-sweet chocolate chunks for richer flavor, or swap them with nuts for added crunch.
- Adjust the microwave time slightly depending on your oven’s wattage to avoid overcooking.
- For a fudgier texture, reduce the flour by 1 tablespoon.
Storage
Brownie in a mug is best enjoyed immediately for the freshest taste and texture. If you have leftovers, cover the mug and refrigerate for up to 24 hours. Reheat briefly in the microwave for about 20-30 seconds before eating.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this brownie without an egg?
Yes, you can substitute the egg with 1 tablespoon of applesauce or yogurt to help bind the ingredients, though the texture may be slightly different.
What type of cocoa powder should I use?
Dutch-process cocoa powder is preferred for a smoother, less acidic flavor, but natural cocoa powder works as well if that’s what you have on hand.
PrintMicrowave Brownie in a Mug Recipe
A quick and easy single-serving brownie made in a mug, perfect for satisfying your chocolate cravings in minutes using a microwave.
- Prep Time: 5 minutes
- Cook Time: 1 minute 15 seconds
- Total Time: 6 minutes 15 seconds
- Yield: 1 serving 1x
- Category: Dessert
- Method: Microwaving
- Cuisine: American
Ingredients
Dry Ingredients
- 3 tablespoons all-purpose flour
- 3 tablespoons Dutch-process cocoa powder
- 3 tablespoons brown sugar
- 1 pinch salt
Wet Ingredients
- ¼ teaspoon vanilla extract
- 3 tablespoons milk
- 3 tablespoons vegetable oil
- 1 tablespoon egg, beaten
Add-ins
- 2 tablespoons chocolate chunks or chips
Instructions
- Combine Dry Ingredients: Stir together the flour, cocoa powder, brown sugar, and salt in a 6 to 8-ounce microwave-safe mug until well mixed.
- Prepare Egg: In a separate bowl, thoroughly beat one egg with a fork or whisk. Measure out 1 tablespoon of the beaten egg and add it to the mug mixture.
- Add Wet Ingredients: Pour in the vanilla extract, milk, and vegetable oil into the mug. Stir well to create a smooth brownie batter. Fold in half of the chocolate chunks into the batter and sprinkle the remaining chunks on top.
- Microwave Cooking: Microwave the mug on high for 1 minute to 1 minute 15 seconds. The brownie is ready when the surface no longer looks wet and is set but still moist.
Notes
- Use a microwave-safe mug with a capacity of 6 to 8 ounces to prevent overflow.
- Cooking times may vary depending on the microwave’s power; watch closely to avoid overcooking.
- For a fudgier texture, reduce cooking time slightly.
- Substitute chocolate chips with your favorite mix-ins like nuts or peanut butter for variation.
- Make sure to beat the egg thoroughly for better incorporation in the batter.
Keywords: brownie in a mug, microwave brownie, quick brownie, single serving dessert, easy mug cake

