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In a microwave-safe mug (at least 12 ounce capacity), combine the all-purpose flour, granulated sugar, baking powder, and salt. Whisk with a fork until well combined and no lumps remain.

Add the milk, vegetable oil, and vanilla extract to the dry ingredients in the mug. Stir vigorously with the fork until the batter is smooth and all ingredients are incorporated. Be sure to scrape the bottom and sides of the mug to ensure no dry spots remain.

Place the mug in the microwave. Cook on high power for 60-90 seconds, or until the cake is puffed up, set, and springs back lightly when touched. Cooking times may vary depending on your microwave wattage.

Carefully remove the mug from the microwave (it will be hot!). Let it cool for a minute or two before enjoying. Top with sprinkles, if desired.


In a microwave-safe mug (at least 12 ounce capacity), combine the all-purpose flour, granulated sugar, baking powder, and salt. Whisk with a fork until well combined and no lumps remain.

Add the milk, vegetable oil, and vanilla extract to the dry ingredients in the mug. Stir vigorously with the fork until the batter is smooth and all ingredients are incorporated. Be sure to scrape the bottom and sides of the mug to ensure no dry spots remain.

Place the mug in the microwave. Cook on high power for 60-90 seconds, or until the cake is puffed up, set, and springs back lightly when touched. Cooking times may vary depending on your microwave wattage.

Carefully remove the mug from the microwave (it will be hot!). Let it cool for a minute or two before enjoying. Top with sprinkles, if desired.
