| 1 (18.25 oz.) | package Pillsbury® Funfetti® Cake |
| 3/4 | cup unsalted butter, softened (1 1/2 sticks) |
| 1 | large egg |
| 1 | teaspoon vanilla extract |
| 1 (12 oz.) | jar Smucker's® Seedless Red Raspberry Jam |
| 2 (1 oz.) | squares white baking chocolate, grated |
| Assorted "toppings": sprinkles from cake mix, miniature jelly beans, chocolate and multi-colored sprinkles, cinnamon red-hots, bright color candy-covered milk chocolates, toffee baking bits, colored sugars |