If you're going to have a treat, why not go all the way, like this over-the-top combo of chocolate cookies, cheesecake and yummy candy bars.
Chocolate cookie crumbs are available in the baking aisle or ice cream toppings section of the supermarket. Or, crush the wafers in a sturdy plastic bag using a rolling pin.
Chocolate-Caramel Crumb Cupcakes
Sopapilla Cheesecake Bars
Cherry-Cream Cheese Coffee Cake