1 10 1/2 by 15 1/2 by1-inch sheet cake made with basic white cake in a buttered pan lined with parchment paper.
2 recipes Vanilla Buttercream divided into 5 bowls and colored red, orange, yellow, blue and green.
1 recipe Strawberry Coulis in a squeeze bottle, recipe follows
3 cups whipped cream
1 pint strawberries, cleaned and hulled
1/2 cup water
1/4 cup sugar
1 tablespoon lemon juice