Ingredients
- 30 g butter
- 2 1/2 tbsp caster sugar
- 6 tbsp plain flour
- 1/4 tsp baking powder
- 3 1/2 tbsp milk
- 1/2 tsp vanilla
- 4 tsp icing sugar
- sprinkles to serve (optional)
Steps
- Melt the butter in a microwave-safe mug for 20 seconds.
- Stir in the caster sugar, flour, baking powder, milk, and vanilla until smooth.
- Microwave the mug on high for 90 seconds, until the cake is firm in the center.
- Stir the icing sugar with 1 teaspoon water, drizzle it over the cake, and add sprinkles if using.
- Let the cake cool for 2 minutes before eating.
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