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The Moistest Chocolate Mug Cake: Your 5-Minute Microwave Dessert

Close-up of a moist chocolate mug cake topped with chocolate chips, ready to eat.

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You need a quick, satisfying dessert. This recipe delivers the moistest chocolate mug cake using your microwave, ready in under five minutes. It is the perfect single-serving cake for instant indulgence.

Ingredients

Scale
  • 4 Tablespoons all-purpose flour
  • 4 Tablespoons granulated sugar
  • 2 Tablespoons unsweetened cocoa powder
  • 1/4 teaspoon baking powder
  • Pinch of salt
  • 3 Tablespoons milk (dairy or non-dairy)
  • 1 Tablespoon vegetable oil
  • 1/4 teaspoon vanilla extract
  • 1 Tablespoon chocolate chips (optional, for extra gooeyness)

Instructions

  1. Select a microwave-safe mug that holds at least 10-12 ounces.
  2. In the mug, whisk together the flour, sugar, cocoa powder, baking powder, and salt until no lumps remain.
  3. Add the milk, vegetable oil, and vanilla extract to the dry ingredients in the mug.
  4. Mix everything thoroughly with a small fork until the batter is smooth. Do not overmix.
  5. If using, stir in the chocolate chips or drop them on top of the batter.
  6. Place the mug in the microwave. Cook on high power for 60 to 90 seconds. Start checking at 60 seconds. Cooking time varies based on microwave wattage.
  7. The cake is done when the top looks set but still slightly moist. Be careful not to overcook, or the cake will become dry.
  8. Let the mug cake cool for one minute before eating directly from the mug.

Notes

  • For a richer flavor, use melted butter instead of vegetable oil.
  • If you want a lava center, press a small square of dark chocolate into the center of the batter before microwaving.
  • This recipe makes one serving, perfect for a dessert for one.

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