Butter jelly roll pan and line with whole soda crackers. Take 1 cup of packed brown sugar and 2 sticks of butter and cook 3 minutes. Pour over soda crackers. Sprinkle 1 (12 oz.) chocolate chips over caramel mixture. Put in 200 degree oven until chips are melted, about 2 minutes. Very carefully spread out chocolate over caramel. Sprinkle with nuts. Half recipe is good in 9x9 inch pan.