Crush potato chips to make 1/2 inch bed in large baking pan; add 1 can chicken. Top generously with onions; spread the regular beef soup over top and then 1 can cream of mushroom soup.
Repeat layer (chips, chicken, onion, chunky soup, cream of mushroom soup). Top with strips of pepper, pimento, and bacon. Bake at 350 degrees until bacon is crispy.