Chewy Cake
["1 box light brown sugar", "2 c. self-rising flour", "3 eggs", "1 stick margarine", "2 c. nuts, chopped", "1/2 tsp. vanilla", "1 c. coconut (optional)"]
["Melt butter and sugar in a saucepan.", "Add other ingredients and mix well.", "Bake in greased and floured 9 x 13-inch pan at 325\u00b0 for 25 to 30 minutes."]
["light brown sugar", "flour", "eggs", "margarine", "nuts", "vanilla", "coconut"]