Wallpaper Green Cupcakes Ingredients Yellow Cake Mix 3 Eggs 1/3 cup oil 1 cup water White Frosting Blue and Red Food Coloring Purple sprinkles Instructions 1. Mix yellow cake mix with eggs, oil, and water. 2. Add Blue food coloring to mix. 3. Grease cupcake tray. 4. Cook on 350° for 25 minutes. Then let cool. 5. In small bowl, mix frosting with red food coloring until pink. 6. Add pink frosting to cupcakes and top with purple sprinkles.