Lemon mug cake

Ingredients
  • 2 tablespoons butter, softened
  • 3 tablespoons sugar
  • 1/4 teaspoon lemon extract
  • 1/4 teaspoon vanilla extract
  • pinch salt
  • 1/2 teaspoon baking powder
  • 1 egg
  • 1 tablespoon lemon juice
  • 3 tablespoons flour

Instructions
  1. Cream together butter, sugar, lemon extract, vanilla, and salt with fork in a large mug. 
  2. Add baking powder, egg, and lemon juice, and mix well. Add flour. 
  3. Microwave 2 1/2–3 minutes.