
Photo by Noel Barnhurst
Crisp toppings may vary as to how much sugar, butter, oats, nuts, and flour they contain, but one thing's for sure: All have a crumbly topping that crisps up during baking.

Crisp toppings may vary as to how much sugar, butter, oats, nuts, and flour they contain, but one thing's for sure: All have a crumbly topping that crisps up during baking.