2 3/4 c. all-purpose flour baking powder baking soda kosher salt granulated sugar Forest green gel food coloring, for the frosting Blue gel food coloring, for the frosting (optional) Tip: The ...

Make a slight hollow in the centre, dip your hand in water and pat it over the surface of the cake: this will ensure that the top is smooth when cooked. Lay a sheet of brown paper over the top.