Blueberry Crunch
["1 c. plain flour", "1/4 c. brown sugar", "1/2 to 1 c. pecans", "1 stick melted margarine"]
["Mix this together and spread in a 9 x 9-inch glass baking dish.", "Bake at 350\u00b0", "for 15 minutes.", "Let cool."]
["flour", "brown sugar", "pecans", "margarine"]