Steps
1. Preheat oven to 350°F (175°C). Grease and flour an 8-inch round cake pan.
2. In a bowl, combine flour, sugar, baking powder, and salt.
3. In another bowl, mix milk, melted butter, egg, and vanilla extract.
4. Pour wet ingredients into dry ingredients and stir until just combined.
5. Pour batter into prepared pan and bake for 25-30 minutes or until a toothpick comes out clean.
6. Let cake cool completely.
7. To make frosting, whip heavy cream with powdered sugar and vanilla extract until stiff peaks form.
8. Spread frosting evenly over the cooled cake before serving.