Crumble Topping - cooking recipe

Ingredients

1/4 cup all-purpose flour
1/4 cup firmly packed brown sugar
1/4 cup chopped walnuts
1/2 teaspoon cinnamon
1/8 teaspoon salt
3 tablespoons butter

Preparation

combine flour, sugar, walnuts, cinnamon and salt.
cut in butter until mixture resembles coarse crumbs.
sprinkle on pie or whatever.