Broccoli and Ham Casserole

BROCCOLI AND HAM CASSEROLE

8 oz. macaroni (small elbows,
small shells or other), cooked
1/4 c. margarine
1/4 c. flour
2 1/2 c. milk
3/4 c. sharp Cheddar cheese, grated
1 tsp. grated onion (optional)
1 tsp. dry mustard
1 c. mayonnaise
1 c. diced leftover ham
2 c. cooked, chopped broccoli
2 tsp. salt
1/8 tsp. pepper
1 c. corn flakes or bread crumbs, mixed in 2 tsp.
melted margarine

Cook macaroni. Rinse with boiling water. Make white
sauce of margarine, flour and milk. Add cheese, onion and
mustard. Fold in mayonnaise, ham, broccoli and seasonings.
Top with corn flakes or bread crumbs which have been mixed in melted margarine. Bake in 2 quart casserole at 375 degrees for 25 to 30 minutes or bake in several smaller casseroles. Freezes well.