2 teaspoons vanilla extract or finely shredded zest from 1 lemon
Food coloring (optional)
How to Make It
In the bowl of a mixer, beat butter until very smooth. Add powdered sugar, 3 tbsp. half-and-half, and the vanilla and beat until very smooth. For a thinner frosting or a glaze, add more half-and-half. Tint with food coloring if you like.