Caramel Apple Pie

1/2 cup sugar
1/2 cup flour
1/4 cup chopped walnuts
1/3 cup butter
5 - 6 medium baking apples
2 tbsp. lemon juice
4 tbsp. flour
1/2 tsp. cinnamon
38 caramels
3 tbsp. water
1 pastry shell

Crumb Topping: 
In a small bowl, combine sugar, 1/2 cup flour, and walnuts, cut in butter until crumbly. Set aside.

Peel and thinly slice apples in a large bowl, sprinkle with lemon juice. Mix in the flour and cinnamon. In a medium saucepan, melt caramels and add the water. Pour over the apples, gently stir to coat. Pour into unbaked pastry shell, sprinkle with crumb topping. Bake at 400° for 45 to 50 minutes.

Cool and serve.