1 (9 inch) unbaked pie shell
5 c. apples
1 egg
1 c. sugar
2 tbsp. flour
1/4 tsp. salt
1 c. sour cream
1 tsp. vanilla

CRUMB TOPPING:

1 c. brown sugar
1 c. flour
1 c. oatmeal
1/2 c. butter

Slice apples into pie shell - fill level full. Pour mixture of egg, sugar, flour, salt, sour cream and vanilla over apples. Bake at 350 degrees for 45 to 50 minutes. Top with Crumb Topping and bake 25 minutes longer.