Ingredients for pie:

• pastry dough for 9-inch one-crust pie
  
• 3/4 cup sugar
  
• 2 tablespoons all-purpose flour
  
• 1/8 teaspoon salt
  
• 1 cup sour cream
  
• 1 tablespoon vanilla
  
• 1/4 teaspoon ground cinnamon
  
• 1 egg
  
• 2 cups chopped pared tart apples (about 2 medium)
  
• brown sugar topping (see below)

Instructions:

Heat oven to 375 F. Line pie plate with pastry dough. Mix sugar, flour and salt. Beat in sour cream, vanilla, cinnamon and egg with fork until smooth. Stir in apples. Pour in pastry-lined pie plate. Bake until center is set, about 45 minutes.

While pie is baking, prepare brown sugar topping. Sprinkle topping over pie after first baking; bake pie an additional 15 minutes until golden brown.

Ingredients for brown sugar topping:

• 1/3 cup all-purpose flour
  
• 1/3 cup packed brown sugar
  
• 2 tablespoons firm margarine or butter
  
• 1/4 teaspoon ground cinnamon
  
• 1/8 teaspoon ground cloves

Mix all ingredients until crumbly.