Caramel Apple Pecan Pie

Name: Caramel Apple Pecan Pie
Prep time: 45 min
Cook time: 1 h 5 min
Total time: 1 h 50 min
Cuisine: American, Southern
Ingredients: Dough for single-crust pie; 7 cups sliced peeled tart apples (about 6 medium); 1 teaspoon lemon juice; 1 teaspoon vanilla extract; 3/4 cup chopped pecans; 1/3 cup packed brown sugar; 3 tablespoons sugar; 4 teaspoons ground cinnamon; 1 tablespoon cornstarch; 1/4 cup caramel topping, room temperature; 3 tablespoons butter, melted; 3/4 cup all-purpose flour; 1/4 cup sugar; 6 tablespoons cold butter, cubed; 2/3 cup chopped pecans; Whipped cream, optional