Mug Brownie Chocolate Cake

Featured in: Warm Rustic Bake & Roast Recipes

This quick chocolate dessert is made in a microwave-safe mug using basic dry and wet ingredients. Combining flour, sugar, cocoa powder, oil, milk, and vanilla creates a smooth batter that cooks in under two minutes. Optional chocolate chips or nuts add extra flavor and texture. The result is a warm, fudgy treat perfect for satisfying sweet cravings fast. Simple swaps like oat milk or coconut oil let you customize to preference. Let cool briefly before enjoying straight from the mug for a cozy finish.

Updated on Tue, 23 Dec 2025 08:17:00 GMT
Steaming mug brownie with melty chocolate chips, ready for a delicious 2-minute dessert. Save to Pinterest
Steaming mug brownie with melty chocolate chips, ready for a delicious 2-minute dessert. | poppyfork.com

Late one night while rummaging through my kitchen, I realized I had all the ingredients for a brownie but zero patience to actually bake one. So I grabbed the biggest mug I could find, threw everything together, and microwaved it for exactly one minute. What emerged was pure chocolate magic—warm, fudgy, and somehow better than waiting. That moment changed how I think about dessert.

I made this for a friend who was stressed about an exam, and watching her face light up when she bit into warm chocolate straight from the mug made me realize this isn't just about convenience. It's about that moment of comfort when you need it most, delivered in the time it takes to tie your shoes.

Ingredients

  • All-purpose flour (4 tbsp): This is your structure, so don't skip it or substitute with alternatives without adjusting the ratios.
  • Granulated sugar (4 tbsp): The sweetness and moisture that makes this actually taste like dessert, not just chocolate flour.
  • Unsweetened cocoa powder (2 tbsp): The real chocolate flavor depends on this, so use decent cocoa powder if you have it.
  • Salt (1 pinch): Sounds small, but it's the whisper that makes the chocolate sing and prevents that flat sweetness.
  • Vegetable oil (2 tbsp): The engine that makes this moist and fudgy; butter works too and tastes slightly richer.
  • Milk (3 tbsp): Any milk you have on hand works here, and the creaminess carries the chocolate flavor beautifully.
  • Vanilla extract (1/4 tsp): Just enough to add depth without tasting like vanilla extract; it's a quiet player that does important work.
  • Chocolate chips (1 tbsp, optional): Extra chocolate pockets that melt into gooey surprises as you eat.
  • Chopped nuts (1 tbsp, optional): A textural contrast that makes each bite feel less one-note.

Instructions

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Gather everything in your biggest mug:
Grab a microwave-safe mug that's at least 12 ounces, because this brownie rises more than you'd expect. Add the flour, sugar, cocoa powder, and salt, then mix with a fork until there are no visible streaks of white.
Turn it into a batter:
Pour in the oil, milk, and vanilla, and stir until the mixture is smooth and cohesive. Take a moment to make sure there are no stubborn dry pockets hiding at the bottom, because those will throw off the texture.
Add extras if you're feeling it:
Fold in chocolate chips or nuts if you want them, but this is totally optional and the brownie is perfect either way.
Microwave with intention:
Set it on high for 50 to 70 seconds—this is where microwave personality matters, so watch it if you can. It's ready when the top looks set but the center still jiggles slightly if you nudge the mug.
Let it rest for one minute:
This pause lets the brownie finish cooking gently from residual heat and keeps that fudgy center intact instead of letting it become cake.
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There's something oddly intimate about eating dessert straight from the mug it was cooked in, spoon scraping the edges for every last bit of warm chocolate. It stopped being about rushing and started being about the simplest form of taking care of yourself.

The Secret to Fudgy Perfection

The line between fudgy and cake is thinner than you'd think, and it all comes down to that moment when you stop cooking. Your brownie will look slightly underbaked on top, and that's exactly right—the heat from the mug itself will carry it the rest of the way. Patience here isn't about time, it's about trusting the process and your instinct.

Ways to Make It Even Better

Once you've mastered the basic version, the possibilities open up in delicious ways. Swapping the oil for melted butter adds a richness that feels more indulgent, or trying coconut oil gives it a subtle tropical undertone. If you're avoiding dairy, oat milk works beautifully and even adds a faint sweetness that plays well with chocolate.

Toppings and Add-Ons

The mug brownie is flexible enough to handle whatever you want on top. A scoop of vanilla ice cream melts into warm chocolate in the most satisfying way, or a drizzle of chocolate sauce turns it into something that feels genuinely decadent. Even a sprinkle of sea salt on top adds a sophisticated edge that makes you feel fancy for something that took three minutes.

  • Ice cream is non-negotiable if you have it, but honestly the brownie stands alone just fine.
  • Chocolate sauce, caramel, or even a spoonful of jam transforms the mood entirely.
  • A dusting of powdered sugar or cocoa powder on top makes it look intentional instead of rushed.
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A warm, fudgy 2-Minute Mug Brownie overflowing with tempting chocolate after a quick microwave cook. Save to Pinterest
A warm, fudgy 2-Minute Mug Brownie overflowing with tempting chocolate after a quick microwave cook. | poppyfork.com

This brownie taught me that sometimes the best desserts aren't the ones you plan for—they're the ones you throw together at the moment you need them most. Three minutes and a mug are all you need to feel taken care of.

Recipe Questions

What type of mug should I use?

Choose a microwave-safe mug with at least a 12 oz capacity to ensure even cooking and prevent overflow.

Can I substitute ingredients for dietary needs?

Yes, you can replace milk with almond or oat milk and oil with melted butter or coconut oil to suit diet preferences.

How do I avoid overcooking the brownie?

Microwave in short increments and watch until the top looks set but still moist for a fudgy texture. Overcooking leads to dryness.

Can I add mix-ins to enhance texture?

Chopped nuts or chocolate chips can be folded into the batter before cooking for added crunch and richness.

Is it necessary to let the dessert cool before eating?

Allow the mug brownie to cool for about a minute after microwaving for safer handling and to let flavors settle.

Are there suggested toppings to complement the brownie?

Try topping with vanilla ice cream or a drizzle of chocolate sauce for extra indulgence.

Mug Brownie Chocolate Cake

Rich, fudgy chocolate brownie made quickly in a mug using common ingredients.

Prep Time
2 min
Cook Time
1 min
Overall Time
3 min
Created by Cooper Anderson


Skill Level Easy

Cuisine American

Makes 1 Number of Servings

Diet Tags Vegetarian

What You 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

Directions

Step 01

Combine dry ingredients: In a microwave-safe mug (at least 12 fl oz), add the flour, sugar, cocoa powder, and salt. Mix thoroughly with a fork.

Step 02

Incorporate wet ingredients: Stir in vegetable oil, milk, and vanilla extract until the batter is smooth and free of dry spots.

Step 03

Add optional mix-ins: Fold in chocolate chips and/or chopped nuts if desired.

Step 04

Microwave cooking: Cook on high power for 50 to 70 seconds, or until the top has just set and the brownie has risen. Cooking times may vary by microwave; avoid overcooking.

Step 05

Rest before serving: Let the brownie cool for 1 minute before eating directly from the mug.

Tools Needed

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

Allergy Info

Review all ingredient labels for allergen risks and talk to a doctor if you’re uncertain.
  • Contains wheat (gluten) and may contain dairy depending on ingredient choice. May contain nuts if added. Verify all ingredient labels for allergens.

Nutrition Info (each serving)

Nutritional details are for reference and not a substitute for medical guidance.
  • Total Calories: 380
  • Total Fat: 16 g
  • Carbohydrates: 56 g
  • Proteins: 4 g