Caramel Apple Trifle 1 pound

Caramel Apple Trifle 1 pound or angel food cake 1 can apple pie filling 1 jar caramel sauce Apple Cider donuts (approx 4-6 depending on size or just use more cake...I think I will next time. It was a little too sweet with the glazed donuts) 1 large box vanilla pudding, prepared Coarsely chopped oatmeal cookies (Store-bought is fine) whipped topping (Cool Whip)