In a large mixing bowl, stir apples and 1/2 cup sugar. Let it sit for 20 minutes to get soft and juicy.
Preheat the oven to 350 degrees. Line a 13x9 baking pan with foil and then cover with parchment paper. Leave extra parchment paper hanging over the sides so you can easily remove the bars.
Drain the apples and discard the liquid. Stir the apples with 1/2 cup flour, 1/2 cup brown sugar, cornstarch, cinnamon, 1 teaspoon salt, vanilla, cardamon, and nutmeg and combine well.
In a mixing bowl with the paddle attachment, combine oats, soft butter, baking soda, 1/2 cup shredded coconut, 3 cups flour, 1 1/2 cups brown sugar, and 1 1/2 teaspoon salt. Mix on medium until combined and crumbly.
Press 4 cups (save the rest for later) of the crumb mixture into the prepared baking pan.
Bake for 20 minutes and let it cool for 5 minutes.
Stir pecans into the remaining crumb mixture you saved. You will add this to the top and store some for ice cream topping, yum!
Spread apple mixture over the baked, warm crust. Sprinkle with some of the reserved oat crumbs.
Bake for 40 minutes, them remove and let it cool and then refrigerate it until it's firm, about 1-3 hours.
Using the excess parchment paper, pull to remove it from the pan and then cut it into bars.
Melt the caramels as advised on the package. You can use the microwave in 15-second intervals until melted.
Drizzle the caramel over the cut bars and serve. You can refrigerate for three days.
This is best served with vanilla ice cream, extra crumb topping, and more caramel sauce. You can also add butterscotch morsels to the top. It's literally heaven in a bowl!