Crumble Topping
["3/4 c. all-purpose flour", "1/2 c. sugar", "1/2 c. brown sugar", "1/2 c. butter or margarine"]
["Melt butter.", "Add 1/2 of it to other ingredients.", "Keep adding a little butter or margarine until crumbly.", "Good for pies, cupcakes, cobblers, etc."]
["all-purpose", "sugar", "brown sugar", "butter"]