Get ready for a ROAR-some birthday with this Dino-riffic Sheet Cake. Made using a printable stencil, this sheet cake is decorated with various shades of green icing to give it a camouflage effect. Personalize your cake with a happy birthday message or add a few candles for the perfect finishing touch. A great cake to serve at a kids birthday party, this sheet cake is one Jurassic treat!
Bake cake. Prepare cake batter following recipe instructions. Bake and cool cake in 9 x 13 in. pan.
Tint chocolate icing. Tint 1½ cups chocolate icing black using color combination provided. Combine Kelly Green and Black icing colors to get dark-dark green and dark green colors shown. Combine Moss Green and Lemon Yellow icing colors to get yellow-green color shown. Combine Kelly Green and Sky Blue icing colors to get light teal color shown. Combine Brown and Black icing colors to get black color shown. If desired, add small amount of cornstarch to help icing crust. Reserve remaining chocolate icing for later step.
Using spatula, ice top of cake with black icing. Set aside to crust, about 20 minutes.
Tint creamy white icing. Tint 1 cup white icing each dark-dark green, dark green, yellow-green and light teal using color combinations provided. Using Moss Green icing color, tint remaining cup icing moss green.
Make stencils. Print dinosaur pattern. Using FoodWriter marker, trace dinosaurs on parchment paper; cut out dinosaurs.
Using spatula, wipe very thin layer of shortening on back of each stencil. Place on cake as desired.
Decorate cake. Using tapered spatula, gently swipe dark-dark green, dark green, yellow-green, light teal and moss green icing on top and sides of cake, concentrating on stencil edges first. Keep swipes thin and let icing colors blend.
Carefully remove stencils.
Prepare decorating bag with tip 3 and remaining chocolate icing. Pipe message on cake.