24 graham crackers
1/2 cup brown sugar
1/2 cup butter, melted
1 cup chopped pecans or walnuts

Line a 15 1/2 x 10 1/2 jelly roll pan with the graham crackers.  Mix sugar and butter well and spoon over the crackers. Sprinkle with nuts.  Bake at 350 degrees for about 10-12 minutes. Cool and break into squares.