• 1 - 1 10 inch pie shell

For the filling:

• 6 large McIntosh apples, pared and sliced (or 9 small)
• 1 ²⁄₃ cups sour cream
• 1 cup sugar
• 1 large egg
• ¹⁄₂ tsp. salt
• 2 tsp. vanilla
• ¹⁄₃ cup flour

For the topping:

• ¹⁄₃ cup brown sugar
• ¹⁄₃ cup sugar
• ¹⁄₂ cup fkour
• Pinch of salt
• 1 Tbsp. cinnamon
• 1 cup chopped walnuts
• ¹⁄₄ lb. butter (1 stick)