Salted Caramel Apple Magic Bars

graham cracker crumbs

unsalted butter, melted

can of fat free sweetened condensed milk

just the apples (none of the liquidy filling stuff) from a can of apple pie filling, roughly chopped

cinnamon flavored chips (can sub peanut butter, white chocolate, or butterscotch)

sweetened, flaked coconut

chopped walnuts

caramel bits

kosher or flaked salt, as desired