20-Minute Vanilla Cupcakes with Buttercream
Mug-cake cupcakes mixed and baked in minutes, topped with silky buttercream and rainbow sprinkles. No mixer, no fuss—straight from mug to plate.
- Total time
- 20 min
- Servings
- 4
- Calories
- 385
- Protein
- 4g
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Ingredients
- 1 cup all-purpose flour
- ¾ cup granulated sugar
- 1.5 tsp baking powder
- ½ cup milk
- 2 whole egg
- 3 tbsp butter, melted
- 1 tsp vanilla extract
- 4 tbsp butter, softened
- 1.5 cups powdered sugar
- ½ tsp vanilla extract
- 2 tbsp colorful sprinkles
Instructions
- 1
Whisk flour, sugar, and baking powder in a bowl until combined.
- 2
Add milk, eggs, melted butter, and 1 tsp vanilla to the dry mix.
- 3
Stir until just smooth—no lumps, don't overmix.
- 4
Fill 4 microwave-safe mugs or cupcake liners halfway with batter.
- 5
Microwave each mug 90–120 seconds until a toothpick comes out clean.
- 6
While cakes cool, beat softened butter, powdered sugar, and 0.5 tsp vanilla until fluffy.
- 7
Top each cooled cupcake with a dollop of frosting and sprinkles.
Tools you’ll need
- mixing bowl
- whisk
- spoon
- 4 microwave-safe mugs (or cupcake liner cups)
- toothpick
- handheld mixer or fork
- small bowl
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