Preheat oven to 350 degrees F (175 degrees C). Lightly grease 2 8-inch round pans.
In a large bowl, combine brown sugar, oats, flour and butter. Mix until crumbly. Do this in each pan–>Place half of crumb mixture in pan. Spread the apples evenly over crumb mixture. Sprinkle with sugar and cinnamon and top with remaining crumb mixture. Then top each pie with chopped pecans.
Bake in the preheated oven for 40 to 45 minutes, or until golden brown. Don’t forget to drizzle the caramel on top when its done.