Mug Brownie Chocolate Cake

Featured in: Comfort Food Favorites

This mug brownie offers a rich, fudgy chocolate experience in just minutes. Combining flour, cocoa, sugar, and oil, it creates a smooth batter ready for the microwave. Optional chocolate chips and nuts add texture and flavor. Perfect for a quick indulgence, this mug dessert requires minimal prep and can be customized with different oils or milk types for varied taste and dietary needs. Let it cool briefly before savoring directly from the mug for a warm, satisfying treat.

Updated on Sun, 21 Dec 2025 16:01:00 GMT
Warm, fudgy 2-minute Mug Brownie, garnished with chocolate chips, ready for a quick dessert. Save It
Warm, fudgy 2-minute Mug Brownie, garnished with chocolate chips, ready for a quick dessert. | zetluna.com

I was halfway through a late-night movie when the craving hit—sharp, specific, undeniable. I wanted chocolate cake, but I also wanted to stay on the couch. That's when I discovered this mug brownie, and it changed everything. No bowls, no pans, no waiting. Just a mug, a fork, and two minutes between me and warm, fudgy satisfaction.

The first time I made this for a friend, she was skeptical. She watched me stir flour and cocoa in a coffee mug and said it looked like a science experiment. Then I pulled it from the microwave, still steaming, and handed her a spoon. She didn't say anything for a full minute. When she finally looked up, she just asked if I could text her the recipe.

Ingredients

  • All-purpose flour: This gives the brownie structure without weighing it down, and measuring it directly into the mug means one less dish to wash.
  • Granulated sugar: It dissolves quickly and sweetens the batter evenly, creating that classic brownie sweetness we all crave.
  • Unsweetened cocoa powder: The heart of the chocolate flavor, and using unsweetened cocoa lets you control the sweetness while keeping it rich and deep.
  • Salt: Just a pinch balances the sugar and makes the chocolate taste more like chocolate, not just sweet.
  • Vegetable oil or melted butter: Oil keeps it moist and fudgy, while butter adds a richer, slightly nostalgic flavor.
  • Milk: It brings everything together into a smooth batter, and any kind works, even non-dairy.
  • Vanilla extract: A small splash rounds out the flavor and makes the whole thing smell like a bakery.
  • Chocolate chips: Optional, but they melt into gooey pockets of extra chocolate that make every bite feel indulgent.
  • Chopped nuts: If you like a little crunch and contrast, toss in walnuts or pecans for texture.

Instructions

Combine the dry ingredients:
Add the flour, sugar, cocoa powder, and salt directly into your mug. Use a fork to mix them together until the cocoa is evenly distributed and there are no streaks of white flour left.
Stir in the wet ingredients:
Pour in the oil, milk, and vanilla extract, then stir until the batter is smooth and glossy. Make sure to scrape the bottom and sides of the mug so nothing gets left behind.
Add your mix-ins:
If youre using chocolate chips or nuts, fold them in gently. They'll sink a bit as it cooks, creating little surprises throughout.
Microwave until just set:
Cook on high for 50 to 70 seconds, watching through the window as it rises and the top starts to look dry. Stop before it looks fully cooked, it will finish setting as it cools.
Let it cool briefly:
Wait just one minute before digging in. The brownie will be molten hot at first, but that short pause makes it safe to eat and even fudgier.
Save It
| zetluna.com

One rainy Sunday, I made this three times in a row, tweaking the chocolate chips and the cooking time until it was exactly how I wanted it. My roommate walked into the kitchen, saw three mugs on the counter, and asked if I was okay. I handed her one with a spoon, and she understood immediately. Sometimes you just need to get something right, and this recipe is forgiving enough to let you experiment without wasting time or ingredients.

How to Know When Its Done

The top should look dry and slightly puffed, but the center might still jiggle a little when you shake the mug. Thats exactly what you want. It will firm up as it cools, and that slight underdone quality is what keeps it fudgy instead of cakey. If you see any wet batter on top, give it another 10 seconds, but resist the urge to overdo it.

Flavor Variations to Try

Swap the vanilla for almond extract for a deeper, almost cherry-like flavor. Stir in a spoonful of peanut butter before microwaving for a rich, nutty twist. Add a pinch of cinnamon or espresso powder to the dry ingredients to intensify the chocolate. I once stirred in a few mini marshmallows, and they melted into gooey pockets that tasted like a campfire treat.

Serving Suggestions

This brownie is perfect straight from the mug, but it also loves company. Top it with a scoop of vanilla ice cream and watch it melt into the warm chocolate. Drizzle it with caramel or hot fudge if youre feeling extra. A dollop of whipped cream and a few fresh berries make it feel almost fancy.

  • Serve it warm with cold ice cream for the ultimate contrast.
  • Dust the top with powdered sugar for a simple, elegant finish.
  • Pair it with a glass of cold milk or a strong cup of coffee.
A steaming, single-serve chocolate Mug Brownie, perfect for a late-night treat, straight from the microwave. Save It
A steaming, single-serve chocolate Mug Brownie, perfect for a late-night treat, straight from the microwave. | zetluna.com

This little mug brownie has become my secret weapon against bad days and late-night cravings alike. Its proof that comfort doesnt have to be complicated, and sometimes the best desserts are the ones you can make in your pajamas.

Common Questions About Recipes

How long should I microwave the brownie?

Microwave on high for 50 to 70 seconds, watching to avoid overcooking. Times may vary based on microwave power.

Can I substitute the oil used in the batter?

Yes, vegetable oil can be swapped with melted butter or coconut oil to alter the flavor and richness.

Are there options for dairy-free variations?

Use oat or almond milk instead of regular milk to make a dairy-free version without sacrificing moisture.

What adds texture to the brownie?

Folding in chocolate chips or chopped nuts provides added crunch and bursts of chocolate within the fudgy cake.

How do I achieve the best fudgy texture?

Mix gently to avoid overworking the batter and avoid overcooking; allowing it to cool briefly helps set the fudgy consistency.

Mug Brownie Chocolate Cake

A quick, fudgy chocolate treat prepared in minutes using simple ingredients and a microwave mug.

Prep Time
2 mins
Time to Cook
1 mins
Overall Time
3 mins
Authored by Clara


Skill Level Required Easy

Cuisine Type American

Recipe Output 1 Number of Portions

Dietary Needs Veggie-Friendly

The Ingredients You'll Need

Dry Ingredients

01 4 tablespoons all-purpose flour
02 4 tablespoons granulated sugar
03 2 tablespoons unsweetened cocoa powder
04 1 pinch salt

Wet Ingredients

01 2 tablespoons vegetable oil or melted butter
02 3 tablespoons milk
03 1/4 teaspoon vanilla extract

Optional Add-ins

01 1 tablespoon chocolate chips
02 1 tablespoon chopped nuts

Step-by-Step Instructions

Step 01

Combine Dry Ingredients: In a large microwave-safe mug (minimum 12 ounces), combine flour, sugar, cocoa powder, and salt. Mix thoroughly using a fork until evenly blended.

Step 02

Incorporate Wet Ingredients: Add vegetable oil, milk, and vanilla extract to the dry mixture. Stir until a smooth, uniform batter forms, ensuring no dry streaks remain.

Step 03

Add Optional Mix-ins: Gently fold in chocolate chips and/or chopped nuts if desired to enhance flavor and texture.

Step 04

Microwave Cooking: Cook the batter on high power in the microwave for 50 to 70 seconds, until the surface is set and the cake has risen slightly. Adjust time as needed based on microwave wattage, avoiding overcooking.

Step 05

Cooling and Serving: Let the mug cake cool for one minute before consuming directly from the mug to allow flavors to settle and prevent burns.

Tools You'll Need

  • Microwave-safe mug (12 ounces or larger)
  • Fork or small whisk
  • Microwave oven

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains wheat (gluten) and may contain dairy if milk or butter is used.
  • May contain nuts if added.

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 380
  • Fats: 16 grams
  • Carbohydrates: 56 grams
  • Proteins: 4 grams