Graham Cracker Brittle
["24 graham crackers", "1 c. margarine", "1 c. light brown sugar, packed", "1 c. chopped pecans or walnuts"]
["Line a 15 x 10 x 1-inch jelly roll pan with graham crackers. Bring margarine and sugar to a rolling boil and boil for 2 minutes.", "Remove from heat.", "When bubbling has stopped, add nuts. Spoon over graham crackers.", "Bake in a moderate oven (350\u00b0) for 10 minutes.", "Cool slightly; cut in strips.", "Yields 48 to 70 pieces."]
["crackers", "margarine", "light brown sugar", "pecans"]