Sour Cream Apple Pie With Streusel Topping

1 c. sour cream

2 tbsp. flour

3/4 c. sugar

1/4 tsp. salt

1 tsp. vanilla

1 egg

3 tsp. apple pie spices

3 tart apples

1 recipe plain pastry

9 inch unbaked pie shell and bake at

400 degrees for 25 minutes. Sprinkle with Streusel topping (recipe below) and bake for 20 minutes more.

TOPPING:

1/2 c. brown sugar

1/3 c. flour

1 tsp. cinnamon

1/4 c. butter

1/2 c. chopped nuts

Mix together until crumbly.