1 (16 oz.) bag frozen broccoli, carrots, and cauliflower, thawed and drained
1 (10 3/4 oz.) can cream of mushroom soup
1 c. (4 oz.) shredded Swiss cheese
1/3 c. sour cream
1/4 tsp. black pepper
1 (4 oz.) jar chopped pimentos, drained (optional)
1 (2.8 oz.) can Durkee French fried onions

Combine vegetables, soup, 1/2 cup cheese, sour cream, pepper, pimento, and 1/2 can onions. Pour into 1-quart casserole dish. Bake covered at 350 degrees for 30 minutes. Top with remaining cheese and onions. Bake uncovered 5 minutes longer.