1 (7 oz.) pkg. spaghetti, cooked, drained and buttered
1 chopped onion
1/4 green pepper, chopped
1 (2 oz.) jar chopped pimiento
1 can cream of chicken soup
1 (5 oz.) can boned chicken
1 c. grated cheese

Mix all ingredients together and grate cheese over top. Heat in oven until cheese is melted and casserole heated through.