Red Zinger Cake

1 (18.25 ounce) box yellow cake mix
2 tablespoons raspberry Jell-O powder
1 can sweetened condensed milk
1/2 jar raspberry preserves
1 (8 ounce) container Cool Whip
1 cup coconut

Prepare cake batter as directed on package. Stir in the raspberry Jell-O powder. Bake according to directions on cake box. Remove cake from oven and immediately poke holes all over the cake with a fork. Pour the sweetened condensed milk all over the top; spread raspberry preserves over the top, and let the cake cool completely.

Top with Cool Whip, then sprinkle with coconut.