This 3 Ingredient Nutella Brownie in a Mug is the ultimate treat for when you need something rich and indulgent in minutes. With just Nutella, flour, and an egg, you’ll create a gooey, fudgy brownie that’s ready in under six minutes. The warm, chocolatey aroma fills your kitchen as it cooks, promising a dessert that’s both comforting and decadent. Perfect for satisfying sudden cravings or impressing unexpected guests, this recipe is a game-changer for anyone who loves dessert but hates the hassle.

The texture is pure bliss—crisp edges give way to a soft, melt-in-your-mouth center that’s loaded with hazelnut-chocolate flavor. It’s the kind of dessert that feels like a hug in a mug, and the quick prep and cook time make it ideal for busy days or late-night treats. Whether you’re a baking novice or a seasoned pro, this effortless recipe delivers a restaurant-quality brownie without the fuss. Grab your mug and get ready to enjoy a little slice of heaven in every bite.

Simple Ingredients for Nutella Brownie in a Mug

1/4 cup + 1 tablespoon (3 ¼ oz/90g) Nutella (use a measuring cup for accuracy)
1 large egg, gently whisked (substitute with a flax egg for a vegan option)
2 tablespoons all-purpose flour (gluten-free flour works too)

Easy Steps to Make Your Mug Brownie

In a large microwavable mug, add the Nutella and whisked egg. Whisk together until well combined.
Add the flour and mix until you have a smooth batter with no lumps.
Microwave for 45 seconds to 1 minute. (Timing may vary based on your microwave’s wattage. For a 1200W microwave, 1 minute works perfectly.)
Keep a close eye on the mug while microwaving to prevent overflow or overcooking. The brownie is done when it’s set and firm on top.
Let the brownie cool for a few minutes before serving. Enjoy it warm with a scoop of vanilla ice cream for an extra treat!

Perfect Pairings: Toppings and Serving Ideas

Take your Nutella brownie to the next level with a scoop of vanilla ice cream for a classic combo. For a crunchy twist, sprinkle crushed hazelnuts or chocolate chips on top. If you’re feeling fancy, drizzle with caramel sauce or add a dollop of whipped cream. These simple additions make it feel like a decadent dessert!

Quick Storage and Reheating Tips

If you have leftovers (unlikely, but possible!), let the brownie cool completely before covering the mug with plastic wrap. Store it in the fridge for up to 2 days. To reheat, microwave for 10-15 seconds until warm. Be careful not to overheat, as it can dry out the brownie.

Easy Recipe Variations to Try

Swap out the Nutella for peanut butter or cookie butter for a different flavor profile. For a gluten-free option, use almond flour instead of all-purpose flour. If you’re feeling adventurous, add a pinch of sea salt or a dash of cinnamon to the batter for an extra layer of flavor.

Microwave Mastery: Cooking Tips

Since microwaves vary in power, start with 45 seconds and check the brownie’s doneness. It should be set on top but still slightly gooey inside. If needed, add 10-second increments until perfect. Always use a large mug to prevent overflow, and keep an eye on it while cooking!

Common Questions Answered

Can I skip the egg? Yes! Replace the egg with 1 tablespoon of milk or a flax egg for a similar texture. Can I bake it instead? Absolutely! Bake in a preheated oven at 350°F (175°C) for 10-12 minutes in an oven-safe ramekin. Enjoy experimenting with this versatile recipe!