15-Min Vanilla Cupcakes with Sprinkle Frosting
Mug-cake cupcakes baked in minutes, topped with fluffy vanilla buttercream and colorful sprinkles. No mixer, no fuss—just whisk, divide, microwave, and frost.
- Total time
- 15 min
- Servings
- 6
- Calories
- 285
- Protein
- 3g

Ingredients
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Open the appInstructions
Step 1
Line a muffin tin with 6 cupcake liners.
Step 2
Whisk flour, sugar, and baking powder in a bowl until combined.
Step 3
Add egg, vanilla, milk, and 3 tbsp softened butter; whisk until smooth, no lumps.
Step 4
Divide batter evenly among the 6 liners, filling each halfway.
Step 5
Microwave on high 2 to 2.5 minutes until a toothpick inserted comes out clean.
Step 6
Cool cupcakes in the tin for 3 minutes, then transfer to a wire rack.
Step 7
Beat 3 tbsp butter, powdered sugar, and 0.25 tsp vanilla until fluffy and spreadable.
Step 8
Frost each cooled cupcake generously, then top with colorful sprinkles.
Tools you’ll need
- muffin tin with 6 cups
- cupcake liners
- mixing bowl
- whisk
- microwave
- toothpick
- wire rack
- electric mixer or strong arm
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