Line jelly roll pan with foil. Arrange saltines on the foil. Melt butter and butter. Add brown sugar and cook 3 minutes. Pour over saltines evenly. Bake in 400 degree oven for 5 minutes. Remove from oven evenly sprinkle chips over crackers. Return to oven for only a few seconds until softened. Spread evenly over crackers then sprinkle with nuts. Press in nuts to chocolate gently. Cool. Cut. Refrigerate. You can use all butter or all butter.