6 tablespoon butter, softened 1 pound powdered sugar (4 cups) 2 tablespoon milk 1 teaspoon vanilla ¼ teaspoon finely shredded lemon peel (optional) 1 drops yellow food coloring (optional)

Candied Citrus Slices

1 clementines or small oranges 1 lemon 2 kumquats (optional) 1 ½ cup sugar 1 ½ cup water

**Test Kitchen Tip:

If you like, you can bake the cake in a 9x2-inch round cake pan for about 45 minutes.