Crumble
Stir flour, ⅓ cup brown sugar, 1/4 tsp cinnamon and ¼ tsp salt together and then using your hands, mix the butter into the dry ingredients until it forms a crumble. Place in the fridge until ready to use.
Filling
Place 2 cups of apples, 1.5 tbsps butter, 1.5 tbsps brown sugar, 2 tsp cinnamon and 1 Tbsp lemon juice in a small pan and cook on low until softened (about 8 minutes). Remove from heat and allow to cool
Place 2 cups of apples, 1.5 tbsp butter and 1.5 tbsp caramel sauce in a small pan and cook on low until softened (about 8 minutes). Remove from heat and allow to cool. Be sure not to overcook.
Roll out the pie crusts enough so the edges slightly go over the sides of the pie pan
Sprinkle 2 tsps of sugar and 2 tsps flour over the bottoms of both crusts. Add the apple brown sugar filling into the bottom of the first crust and spread equally across the bottom.
Place the second pie crust on top of the cinnamon apples and pinch together edges of both the crusts and seal together.
Add the caramel apples to the crust and spread evenly, then drizzle a bit of caramel over the top of the apples.
Add the crumble mixture over the top of the caramel apples
Place a foil-lined baking sheet on the lowest oven rack; preheat to 400 degrees and bake the pie for 20 minutes
Turn oven down to 375 degrees and sprinkle the remaining crumble on top, then bake another 20 minutes or until golden brown. Place tin foil over the edges of the crust so it doesn’t burn
Remove from oven and allow to cool for one hour