Chocolate Eclair Cake
["1 box graham crackers", "2 pkg. instant French vanilla pudding", "3 c. milk", "8 oz. carton Cool Whip", "1 c. sugar", "1/3 c. cocoa", "1/8 tsp. salt", "1/4 c. milk", "1/2 stick margarine", "1 tsp. vanilla"]
["Butter bottom of 9 x 13-inch pan.", "Cover bottom of pan with whole graham crackers.", "In a bowl, mix pudding with 3 cups milk. Add Cool Whip; stir well.", "Pour 1/2 of mixture over crackers in pan.", "Layer again with crackers and pour remainder of pudding over it.", "Layer once more with crackers and top with frosting."]
["graham crackers", "milk", "sugar", "cocoa", "salt", "milk", "margarine", "vanilla"]