Microwave S’mores Brownie Mug: Dessert in Minutes!

Craving s’mores but stuck indoors? This microwave s’mores brownie mug brings the campfire vibes to your kitchen in under three minutes. No flames, no patience required—just gooey marshmallow, melted chocolate, and fudgy brownie layers.

We’ve perfected the balance between speed and indulgence. You get a warm, melty dessert that’s faster than preheating an oven (or convincing your cat to stop sitting on the microwave).

Ready to transform your mug into a dessert wonderland? Let’s break down everything from ingredient swaps to marshmallow-toasting hacks.

Servings

1

Prep time

5

minutes
Cooking time

1

minute
Calories

300

kcal
Total time

6

minutes

Craving something sweet and chocolatey? This Microwave Nutella Brownie Mug is the ultimate solution for a quick dessert. In just a few minutes, you can enjoy a warm, fudgy brownie made with Nutella that requires no oven or extensive preparation. Perfect for satisfying your sweet tooth, it's simple to make with ingredients you likely already have at home.

Ingredients

  • all-purpose flour

  • cocoa powder

  • sugar

  • salt

  • Nutella

  • milk

  • vegetable oil

  • vanilla extract

  • optional: whipped cream or ice cream for serving.

Directions

  • In a microwave-safe mug, combine 4 tablespoons of all-purpose flour, 1 tablespoon of cocoa powder, 2 tablespoons of sugar, and 1/8 teaspoon of salt.
  • Stir the dry ingredients together until well mixed.
  • Add 3 tablespoons of Nutella, 3 tablespoons of milk, 1 tablespoon of vegetable oil, and 1/4 teaspoon of vanilla extract into the mug.
  • Mix all the ingredients together until a smooth batter forms.
  • Microwave the mug on high for 30-60 seconds, checking at the 30-second mark.
  • The brownie should be set but may appear slightly molten in the center.
  • Let the brownie cool for a minute before serving.
  • Enjoy it straight from the mug or topped with whipped cream or ice cream if desired..

Notes

    Be careful not to overcook the brownie as it can become dry. The perfect brownie should be fudgy and moist. You can also add chocolate chips or nuts to the batter for extra texture. This recipe is perfect for a quick dessert, and you can easily double it if you're sharing or craving more!

What is a Microwave S’mores Brownie Mug?

Imagine a campfire classic colliding with a fudgy brownie—in your microwave. This mug dessert layers graham cracker crumbs, chocolate brownie batter, and marshmallows, all nuked into melty perfection. No sticks, no smoke, just 90 seconds between you and that first spoonful.

My sister Candice and I invented this during a rain-soaked camping trip. Our dad George grumbled about “indoor s’mores” until he tasted the marshmallow lava pooling over warm brownie. Now he requests it weekly—often while standing in front of the microwave.

What Does a S’mores Brownie Mug Taste Like?

Close your eyes. The first bite hits with crackly graham crumbs giving way to dense, fudgy brownie. Then comes the stretchy marshmallow layer—toasted edges clinging to pockets of molten chocolate. It’s campfire nostalgia meets bakery indulgence. For those who crave an even faster treat, a microwave chocolate raspberry cake offers a delightful and quick alternative, combining rich chocolate flavor with the tartness of raspberries.

George describes it as “a chocolate avalanche with a marshmallow airbag.” Candice insists on adding crushed peppermint (controversial, but we love her). Pro tip: Let it cool 60 seconds. That sweet spot where the mug stays warm but won’t scorch your tongue? Pure bliss. Speaking of peppermint, have you ever tried a microwave peppermint brownie mug? It’s a delightful treat that combines the richness of chocolate with a refreshing minty kick, perfect for satisfying your sweet cravings in just minutes.

Ready to assemble your edible campfire? Let’s talk ingredients and microwave wizardry next.

Ingredients for Microwave S’mores Brownie Mug

Grab a 12-oz microwave-safe mug and these staples: 4 tbsp flour, 2 tbsp cocoa powder, 3 tbsp sugar, ¼ tsp baking powder, 3 tbsp milk, 2 tbsp melted butter. For s’mores magic: 1 crushed graham cracker, 2 tbsp chocolate chips, and 2 large marshmallows. These ingredients can come together quickly to make a delicious treat. A microwave chocolate peanut butter mug cake adds an exciting twist to this classic recipe, providing a quick and indulgent dessert option.

Substitutes & Alternatives

No graham crackers? Crush digestive biscuits or gluten-free vanilla wafers. Swap milk with almond milk or even cold coffee for mocha vibes. Vegan? Use plant-based butter and Dandies marshmallows. For a quick and easy treat, consider making microwave biscuits using similar ingredients; they can be ready in just a few minutes. These biscuits are perfect for satisfying those sudden sweet cravings!

Out of chocolate chips? A Hershey’s bar square works—or 1 tbsp cocoa powder + 1 tsp sugar. Once, I used peppermint patties (Candice’s idea). Surprisingly delicious, though George called it “s’mores treason.” If you need to melt chocolate chips for your recipes, using a microwave can be a quick and easy method. Just make sure to melt them in short intervals to avoid burning.

Also See: Grilled Veggie Stack – Microwave Finish Option

How to Make a Microwave S’mores Brownie Mug

We’re talking three steps, one mug, zero camping gear. Pro tip: Use a wide, shallow mug—it cooks more evenly than tall, narrow ones. When you’re too tired to cook an elaborate meal, these simple mug methods offer a quick solution. Discovering 10 instant mug meals can make your mealtime effortless and satisfying.

Step 1: Prepare the Brownie Batter

Mix dry ingredients (flour, cocoa, sugar, baking powder) directly in the mug. Add wet ingredients (milk, butter) and stir until smooth. Scrape the sides—no flour pockets allowed! This simple process sets the foundation for making a delicious microwave mug cake. In just a few minutes, you can enjoy a warm, homemade treat right from your mug.

Press half the graham crumbs into the batter. This creates a crackly base that mimics a campfire crust. Trust me, it’s worth the 10-second effort. For those craving that campfire flavor without the actual flame, making a camping s’mores dip in the microwave is a delicious alternative.

Step 2: Microwave the Brownie Base

Microwave on high for 60 seconds. If your microwave is under 900W, add 15 seconds. The batter should rise slightly and look set on top but still fudgy underneath. However, it’s important to remember that not all foods react well to microwaving, and certain items can result in unappetizing outcomes. Common mistakes can turn a simple task into a culinary disaster, so knowing the right and wrong foods for the microwave can enhance your cooking experience.

Watch for the “lava stage”—when edges pull away from the mug but the center jiggles faintly. Overcooking leads to cakey texture. Underdone? Add 10-second bursts. If you’re looking for a quick and satisfying treat, consider making a 2 minute microwave coffee cake mug. It’s a delightful way to enjoy a sweet snack without the long wait or mess of baking.

Step 3: Layer S’mores Toppings & Finish

Top warm brownie with marshmallows and chocolate chips. Microwave 10-15 seconds until marshmallows puff. Use a kitchen torch for toasted edges (or broil 30 seconds). If you’re looking for a quick dessert option, a microwave brownie recipe can be a game changer. It’s simple to prepare and perfect for satisfying those chocolate cravings in no time.

Sprinkle remaining graham crumbs. Let sit 1 minute—marshmallows stay molten but won’t burn your palate. George once ate it straight out of the microwave. His “ouch-this-is-worth-it” face was legendary.

Also See: Microwave Caramel Latte Cake: A Decadent Treat

Delicious microwave s'mores brownie mug with marshmallows and chocolate chips

Tips for Perfect Microwave S’mores Brownie Mug

Mug too hot? Wrap a dish towel around the handle. For maximum goo, use mini marshmallows—they melt faster than jumbo ones.

Common Mistakes & How to Fix Them

  • Rubbery texture: You overmixed. Stir until just combined—tiny lumps are okay.
  • Spills over: Mug was overfilled. Leave 1-inch space from the rim.
  • Dry brownie: Overcooked. Next time, reduce power to 70% after 45 seconds.

Recipe Variations to Try

  • Nutty twist: Add 1 tbsp peanut butter to batter
  • Spicy kick: Sprinkle cayenne pepper in dry mix
  • Cookie dough: Replace graham crumbs with crushed Oreos

Craving more microwave magic? Let’s talk storage hacks and how to keep your mug dessert fresh (spoiler: it rarely lasts that long).

Now It’s Your Turn to Indulge!

We’ve walked you through every step—from mixing the gooey brownie base to layering those melty marshmallows and chocolate. This microwave s’mores brownie mug is your golden ticket to instant dessert satisfaction without turning on the oven.

Grab your favorite mug, whip up this 5-minute treat, and let us know how it turned out! For more quick fixes, check out our microwave mug desserts collection—because who says decadence can’t be effortless?

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