The first mug cake to make , It a my favourite . It name FUNFETTI
1. Place the butter in a large mug and microwave it for 20 to 30 seconds until melted.
2. Add the egg and whisk it in with a fork.
3. Stir in the milk, vanilla, and sugar.
4. Add the flour and salt. Mix the batter with a fork until smooth.
5. Divide the batter between two mugs. Microwave separately for 50 seconds each until risen. Take care not to overcook or the cake will dry out fast.
6. Top with my bubble gum buttercream frosting and sprinkles