1 package cake mix, your choice ( I used Funfetti for the kids.)
1-1/2 cups vanilla yogurt
2 cups whipped topping
~Combine all ingredients in a large bowl until creamy and smooth.
Refrigerate at least 1 hour.
Serve with your favorite cookie, animal cookie…
*I learned the hard way that this does expand while chilling. :) So make sure you give it room to grow!