1 ~ 16 oz. bag frozen broccoli, carrots and cauliflower combination, thawed and drained. { Fresh vegetables can always be used.}
1 can { 10 ¾ oz. } condensed cream of mushroom soup 
1 cup shredded Swiss cheese
¼ cup sour cream
¼ tsp. black pepper
1 ~ 4 oz. jar chopped pimiento, drained { optional }
1 ~  2.8 oz. can French fried onions
Combine vegetables, soup, ½ of the cheese, sour cream, pepper, pimiento and ½ of the French fried onions. Pour into a 1 ~ quart casserole baking dish. 
Bake, covered, at 350° for 30 minutes. Top with the remaining cheese and onions; bake, uncovered, 5 minutes longer. Serves 6. 

The Lighter Side;
Substitute; 
Fat free 
condensed cream of mushroom soup 
Low or no fat sour cream