INGREDIENTS
2 tbsp
Cocoa powder, unsweetened
1/4 cup
Confectioners' sugar
28
drops Royal blue gel food coloring
4
drops Violet gel food coloring
1
16-to-18-ounce box White cake mix
1
Cooking spray
1
Butter, Unsalted
2 pints
Heavy cream
3 pints
Raspberry sorbet
2 1/2 pints
Vanilla ice cream