Easy Coffee Cake - cooking recipe

Ingredients

1 cut up apple (no need to peel)
1/2 tsp. baking powder
1/2 tsp. baking soda
1/2 c. sugar
1/4 c. butter or margarine
1 egg (or egg substitute)
1/2 tsp. vanilla
1/2 c. sour cream (or substitute)
1/4 c. chopped walnuts
1/4 c. brown sugar
1 Tbsp. butter or margarine
1/2 tsp. cinnamon

Preparation

Mix flour, baking powder, baking soda; reserve.
Cream sugar and margarine; beat in egg and vanilla.
Stir in half of flour mixture.
Add sour cream.
Mix in remaining flour.
Mix in apples. Put in greased 8-inch round pan.
Mix nuts, brown sugar, butter and cinnamon; put on top of cake.
Bake for 25 to 30 minutes at 350\u00b0.