Mix according to manufacturer's instructions. Measure out 4 pounds 8 oz batter, deposit 1 pound 8 oz into a sprayed and papered 8" cake pan. Repeat again two times to make 3 cakes total. Bake at 350°F until cake springs back lightly when touched. Let cool completely. Mix vanilla whipped topping with blue gel food coloring and reserve. Fill and crumb coat with prepared whipped topping. Insert internal dowels or supports into the cake. Smooth ice with prepared whipped topping and coat the bottom of the sides with sprinkles. Decorate the top with rosettes.
Yellow Cake, VelveTop, Non-Dairy, Confetti, Sprinkles, Blue, Yellow, Green, Purple, Pink, Pastel, Layer Cake, Whipped