Recipe(tried): How to make an ice cream cake for Vivian, Michigan

Hi Vivian, I have not tried the DQ cakes, but I have a cake decorating business and here is how I make mine. Hope this helps and let me know what you think! You can also do a search on this site for ice cream cake for various recipes.

ICE CREAM CAKE

1 Box your favorite cake mix plus ingredients to make it
1 pint of your favorite ice cream, softened
BUTTER CREAM FROSTING:
2 cups Crisco vegetable shortening
2 pounds powdered sugar, sifted 3 times
2 Tbsp clear vanilla flavoring
1 Tbsp clear butter flavoring
3 to 6 Tbsp water

Mix and bake cake as directed. Cool completely.

MAKE BUTTER CREAM FROSTING:
Cream shortening. add sifted sugar slowly. Add flavoring and water as needed for stiff, but spreadable consistancy.

Use some of the frosting to make a ring around the top edge of the bottom layer of cake to make a well. Spread softened ice cream in the center of cake and gently spread to the edges. Top with remaining layer. Freeze 1 hour.

Remove from freezer and frost with remaining Buttercream Frosting. Decorate as desired. store in freezer.