3-Ingredient Mug Cake Recipe Ready in Minutes

There are nights when you want something sweet but making a whole cake feels like too much. Enter the 3 Ingredient Mug Cake: just Nutella, cocoa powder, and an egg. It’s a single-serving dessert that’s quick, rich, and delightfully gooey—no leftovers, no fuss.

3 ingredient mug cake in a mug topped with nutella and two scoops of vanilla ice cream.

When you need dessert fast, this 3 Ingredient Mug Cake is the easiest solution. It’s essentially a molten chocolate cake made in the microwave in about a minute. Warm, rich, and satisfying, it’s perfect when your sweet tooth calls but you don’t want to spend time or use many ingredients.

No fancy pantry staples or oven preheating—just mix, microwave, and enjoy. This recipe is ideal for a solo treat or when you want something comforting without the effort.

Key Ingredients for the Best 3 Ingredient Mug Cake
How to Make Three-Ingredient Mug Cake
Topping Ideas
Pro Tips
More Easy Desserts
3 Ingredient Mug Cake Recipe

Key Ingredients for the Best 3 Ingredient Mug Cake

ingredients to make 3 ingredient mug cake on a grey surface - nutella, cocoa powder, and an egg.

(Full ingredient list appears in the recipe card below)

This recipe centers on Nutella, which gives the cake its creamy, chocolate-hazelnut character. You’ll need just three items:

Nutella: The base of the cake—rich and creamy for a decadent bite.
Cocoa powder: Adds extra chocolate depth. If you prefer, you can substitute a tablespoon of all-purpose flour, but cocoa gives a more intense chocolate flavor.
Egg: Binds the batter and creates a soft, slightly gooey texture when microwaved.

How to Make Three-Ingredient Mug Cake

Follow these straightforward steps for a fast, delicious mug cake:

nutella and an egg in a mug mixed together with a fork.

Step 1: Use a large microwave-safe mug (or a small bowl). Mix the Nutella and egg with a fork or small whisk until fully combined, about 1 minute.

nutella, egg, and cocoa powder mixed together in a mug with a fork.

Step 2: Add the cocoa powder and whisk until smooth and lump-free. Microwave the mug for 45 seconds to 1 minute. The top should be set but still slightly soft—aim for a molten, gooey center rather than a dry cake.

3 ingredient mug cake in a large white mug with a spoon.

Topping Ideas

Mug cakes are perfect for experimenting with toppings. Try any of these to elevate your treat:

Ice cream: A scoop of vanilla melting over the warm cake is heavenly; add fresh fruit for brightness.
Extra Nutella: Drizzle a little more on top for extra indulgence.
Whipped cream: A cloud of whipped cream and a few berries add texture and freshness.
Crushed Oreos: Sprinkle for a crunchy Oreo twist.
Chocolate chips: Any variety—milk, dark, peanut butter, or butterscotch—works well.

Think of the mug cake as a canvas—mix and match toppings to suit your cravings.

Pro Tips

Avoid overfilling: Fill the mug no more than halfway; the cake will rise while cooking.
Adjust the time: Microwave powers vary. Start with 45–60 seconds, then add 10-second increments if needed. The top should be set but slightly moist.
Mix thoroughly: Whisk until smooth so cocoa powder doesn’t leave lumps.
Use a wide mug: A wider, 12-ounce mug cooks more evenly. Narrow mugs can leave the center undercooked.

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5 from 2 votes