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6 Steps to a Perfect Vanilla Mug Cake in Just 2 Minutes

Vanilla Mug Cake

This vanilla mug cake is your answer to instant dessert gratification—a fluffy, moist, perfectly sweet single-serve cake that cooks in the microwave in just 90 seconds. Made with simple pantry ingredients mixed right in the mug, it requires no special equipment, creates minimal cleanup, and delivers homemade cake satisfaction without the wait. Perfect for late-night cravings, quick desserts, or any time you want something sweet without committing to a full batch of baked goods.

Ingredients

  • 4 tablespoons (¼ cup) all-purpose flour
  • 3 tablespoons granulated sugar
  • ⅛ teaspoon baking powder
  • Pinch of salt
  • 3 tablespoons milk
  • 2 tablespoons vegetable oil or melted butter
  • ¼ teaspoon pure vanilla extract
  • Optional: 1 tablespoon sprinkles or chocolate chips

Optional Toppings:

  • Whipped cream, ice cream, powdered sugar, berries, or chocolate sauce

Instructions

  • Choose a microwave-safe mug that holds at least 12 ounces. Lightly spray with cooking spray if desired.
  • Add flour, sugar, baking powder, and salt to the mug. Whisk together thoroughly with a fork until well combined and lump-free.
  • Add milk, oil, and vanilla extract. Mix with the fork until completely smooth, making sure to scrape the bottom and sides. Batter should be uniform with no dry flour pockets.
  • If using mix-ins like chocolate chips, fold them in gently.
  • Microwave on high for 1 minute and 30 seconds (90 seconds). The cake will rise significantly and should look set on top but may be slightly shiny. If using a lower-wattage microwave, add time in 10-second increments as needed.
  • Let cool for 1-2 minutes before eating. The texture will improve as it rests.
  • Enjoy directly from the mug or turn out onto a plate. Add desired toppings.

Notes

  • Microwave wattage varies—adjust time accordingly (700W = 2 min, 1200W = 75-90 sec)
  • Don’t overmix—stir just until smooth to avoid tough texture
  • Fill mug only ⅓-½ full before cooking to allow room for rising
  • Cake continues cooking as it cools, so don’t overbake
  • Best enjoyed fresh and warm; doesn’t store well
  • Use pure vanilla extract for best flavor
  • Can reduce sugar to 2 tablespoons for less sweet version
  • Ensure all dry ingredients are thoroughly mixed before adding wet
  • Room temperature milk creates lighter texture
  • For gluten-free, use GF flour blend (texture may vary)
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