Toffee Coffee Cake
["1 c. brown sugar", "1 c. sugar", "1/2 c. oleo or butter", "2 c. flour", "1 tsp. vanilla", "1 tsp. baking soda", "1 c. buttermilk", "1 egg", "1/2 c. chopped nuts", "6 small Heath bars"]
["Mix first 5 ingredients to form crumbs.", "Put aside 1/2 cup of these crumbs.", "Add soda which has been dissolved in the buttermilk and the egg.", "Beat well and pour into 9 x 13-inch pan.", "Sprinkle 1/2 cup reserved crumbs, nuts and chopped Heath bars on top.", "Bake at 350\u00b0 for 30 minutes."]
["brown sugar", "sugar", "oleo", "flour", "vanilla", "baking soda", "buttermilk", "egg", "nuts"]