Combine dry ingredients: In a microwave-safe mug, combine flour, sugar, baking powder, and salt. Mix well.
Add wet ingredients: Add milk, oil (or melted butter), and vanilla extract to the mug. Stir until the batter is smooth and no lumps remain. Do not overmix.
Microwave: Microwave on high for 1 minute 30 seconds. Cooking time may vary slightly depending on your microwave’s wattage. The cake is done when it springs back lightly when touched.
Cool and top: Let the cake cool in the mug for a minute or two. Add your favorite toppings, such as whipped cream, fresh berries, chocolate sauce, sprinkles, or powdered sugar.
Serve: Enjoy immediately.
Notes
Combine dry ingredients: In a microwave-safe mug, combine flour, sugar, baking powder, and salt. Mix well.
Add wet ingredients: Add milk, oil (or melted butter), and vanilla extract to the mug. Stir until the batter is smooth and no lumps remain. Do not overmix.
Microwave: Microwave on high for 1 minute 30 seconds. Cooking time may vary slightly depending on your microwave’s wattage. The cake is done when it springs back lightly when touched.
Cool and top: Let the cake cool in the mug for a minute or two. Add your favorite toppings, such as whipped cream, fresh berries, chocolate sauce, sprinkles, or powdered sugar.