Apple Crunch Cake

Cream together 1/2 cup margarine and 2 cups sugar.  Add 2 beaten eggs.  Stir in 4 1/2 cups peeled and chopped apples, and 3/4 cup chopped walnuts.  Combine and add 2 cups of flour, 1 tsp. cinnamon, 1 1/2 tsp. soda and 1/2 tsp. salt.  Put batter in 9 x 13 pan.

For Topping: combine 1 cup brown sugar, 2 tbs. flour and 1/4 cup margarine.  Sprinkle this on batter and bake 50 - 60 minutes at 325.  Test for firmness.  Added Option: Pour hot caramel sauce over servings.