Prepare 1 package angel food cake mix according to package directions. Divide batter in half. Fold 1/4 teaspoon yellow food coloring into one half. Spoon batter alternately into 10 inch bundt pan. Spoon in second layer, putting yellow on white and white on yellow of first layer. Bake, cool and remove from pan as directed.

Stir just enough milk into 1 cup sifted confectioners' sugar to make a good pouring consistency. Tint with green food coloring. Drizzle over cake.