This Great Cake Contest entry was submitted by melissacmc2003 from Orange Park, Florida: 9 X 13 cake with chocolate and buttercream frosting
Bake and cool cake according to directions on box. Color butter cream frosting green. After cake has cooled spread green frosting on top and sides of cake. Make a "mud bog" by smearing chocolate frosting on top of cake. Dab chocolate frosting on Monster Trucks so they appear to be mud splattered. Using star tip pipe shell border on top and bottom of outer edges of cake."