Sour Cream Coffee Cake

Sour Cream Coffee Cake

1/2 c margarine

1 c sugar

2 eggs

2 c sifted flour

1 teaspoon baking powder

1 teaspoon baking soda

1/2 teaspoon salt

1 c sour cream

1 teaspoon vanilla

Topping mixture - mix well

1/3 c brown sugar

1/4 c powdered sugar

1 teaspoon cinnamon

1 c finely chopped nuts

Cream margarine, sugar together.  Add eggs, one at a time beating well after each addition.  Sift 2 cups all purpose flour with baking powder, baking soda, and salt.  Add dry ingredients alternating with sour cream.  Stir in vanilla.  Pour half of mixture in a 9X13 pan.  Cream other half with 1/2 of the nut topping mixture.  Add that 1/2 of the dough mixture to the 9X13.  Top the cake with the remaining nut topping mixture.  Bake at 325 degrees for 45 minutes.  Best served warm.