Five-Layered Potato and Veggie Casserole

1 recipe of Corn SauteCORN SAUTE3 ears fresh corn, cut off cob1/2 of red, yellow, orange, green bell pepper -diced1/2 red onion -thin slices1/2 carton baby portabella mushrooms, slicedRed and yellow cherry tomatoes, cut in half1 lb. shrimp or crawfish8-…