caramel-pecan apple pie

Ingredients For caramel-pecan apple pie

• 7 c

  sliced peeled tart apples
• 1 tsp

  lemon juice
• 1 tsp

  vanilla extract
• 3/4 c

  chopped pecans
• 1/3 c

  packed brown sugar
• 3 Tbsp

  sugar
• 4 1/2 tsp

  ground cinnamon
• 1 Tbsp

  cornstarch
• 1/4 c

  caramel ice cream topping, room temperature
• 1

  unbaked pastry shell (9 inches)
• 3 Tbsp

  butter, melted
• FOR THE STREUSEL TOPPING
• 3/4 c

  all-purpose flour
• 2/3 c

  chopped pecans
• 1/4 c

  sugar
• 6 Tbsp

  cold butter
• 1/4 c

  caramel ice cream topping, room temperature