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Small Batch Chocolate Mug Brownie

A quick and easy oven-baked brownie made in a mug, rich and fudgy, perfect for satisfying those late-night chocolate cravings.
Prep Time5 minutes
Cook Time12 minutes
Total Time17 minutes
Course: Dessert, Snack
Cuisine: American
Keyword: brownie, Chocolate Dessert, easy recipe, mug brownie, single serve
Servings: 1 serving
Calories: 350kcal

Ingredients

Brownie Ingredients

  • 2 tablespoons unsalted butter, melted but not hot Cool the butter slightly before mixing.
  • 2 tablespoons granulated sugar
  • 1 tablespoon brown sugar Adds a chewy edge.
  • 2 tablespoons all-purpose flour Spoon and level.
  • 1 tablespoon unsweetened cocoa powder Use natural or Dutch-process.
  • 1 pinch fine salt Enhances chocolate flavor.
  • 1 tablespoon milk or brewed coffee Coffee deepens chocolate flavor.
  • 1 teaspoon plain yogurt or sour cream Keeps it moist.
  • 1/4 teaspoon vanilla extract
  • 2 tablespoons chocolate chips or chopped chocolate
  • 1 pinch instant espresso (optional) Boosts chocolate flavor.

Instructions

Preparation

  • Preheat your oven to 350°F (175°C).
  • Lightly grease an 8 to 10 ounce oven-safe mug or a ramekin.
  • In the mug, stir together melted butter, sugars, milk, yogurt, and vanilla.
  • Sprinkle in flour, cocoa, salt, and espresso if using, and stir until just combined.
  • Fold in chocolate chips.
  • Smooth the top and set the mug on a small baking sheet for easy handling.

Baking

  • Bake for 10 to 12 minutes until the edges look set but the center is still soft and glossy.
  • Let it cool for 5 minutes before serving to set the brownie.

Notes

If the brownie is too firm when cold, warm it in a low oven or briefly in the microwave. Leftovers can be stored at room temperature for 24 hours or in the fridge for up to 3 days. Can freeze for up to a month.