Carmel Apple Crunch Pie

4 Granny Smith apples, peeled, cored and sliced
2/3 cup plus 2 tablespoons all-purpose flour
1 (9-inch) deep dish frozen pie crust, thawed
25 caramel candies
1 tablespoon water
1/2 cup sugar
1/2 teaspoon cinnamon
1 stick of butter, softened (not melted)
1/2 cup chopped walnuts

In large bowl combine apples and 2 tablespoons flour. Toss well to coat apples and then spoon into pie crust. In a medium microwave safe bowl combine caramels and water and then microwave for 1 minute, stir then microwave an additional 30 seconds or until caramels are melted. Pour caramel over apples. In another bowl combine remaining 2/3 cup flour, sugar, cinnamon and butter until crumbly. Mix in walnuts. Sprinkle over pie and place on baking sheet. Bake at 375 degrees for 40 to 45 minutes. Serve warm with vanilla ice cream.