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The Ultimate Fudgy Chocolate Mug Cake: A Single Serving Dessert in Minutes

Close-up of a rich, fudgy chocolate mug cake topped with melted chocolate chips inside a white ceramic mug.

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Create a rich, fudgy chocolate mug cake using basic pantry staples. This microwave cake recipe delivers a moist, single-serving dessert in under five minutes, perfect for instant gratification.

Ingredients

Scale
  • 4 Tablespoons all-purpose flour
  • 4 Tablespoons granulated sugar
  • 2 Tablespoons unsweetened cocoa powder
  • 1/4 teaspoon baking soda
  • 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 fudginess)

Instructions

  1. Select a standard, microwave-safe mug (about 10-12 ounces).
  2. Add the flour, sugar, cocoa powder, baking soda, and salt directly into the mug. Use a small fork to mix these dry ingredients thoroughly until no clumps remain.
  3. Pour in the milk, vegetable oil, and vanilla extract.
  4. Mix everything together until just combined. Do not overmix; a few small lumps are acceptable.
  5. Stir in the chocolate chips, if using.
  6. Place the mug in the microwave. Cook on high power for 60 to 75 seconds. Cooking time varies based on microwave wattage; start with 60 seconds.
  7. Check the cake; the top should look set but still slightly moist. If it looks wet, microwave in 10-second increments until done. Avoid overcooking to prevent a rubbery texture.
  8. Let the mug cake cool for one minute before eating directly from the mug.

Notes

  • To achieve a moist, non-rubbery texture, avoid cooking past the point where the top is set. The center should remain slightly soft.
  • If you do not have baking soda, you can substitute with 1/2 teaspoon of baking powder, though the rise may differ slightly.
  • This recipe makes one individual portion cake. For a fluffier microwave dessert, slightly increase the milk by one teaspoon.

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