1. Make 9 inch pie shell. Prick with fork, bake at 350 degrees for about 7 minutes (until set, but not brown).

2. Mix together: 3/4 cup sugar and 2 tablespoons flour.

3. Add and mix 1 cup sour cream.

4. Add 1 beaten egg, 1 teaspoon vanilla, 1/4 teaspoon salt, and 2 cups finely chopped apples.

5. Put into pie shell. Bake at 425 degrees for 25 minutes. (Filling is almost set.)

6. Combine and sprinkle over top of pie: 1/3 cup flour, 1/2 cup sugar, 1 teaspoon cinnamon, and 1/4 cup butter.

7. Return to oven for another 8 minutes.