1 (16 oz.) bag frozen broccoli
4 c. cooked boned chicken or turkey, cut in chunks
1 can water chestnuts, drained
1 can mushroom stems & pieces, drained
6 slices cheese
1/2 c. mayonnaise
1 can cream of mushroom soup
1 can French fried onions

Layer the first 7 ingredients in a 2 quart casserole or a 9 x 9 x 2 inch baking dish in the order listed. Cover loosely with foil and bake at 350 degrees for 45 minutes. Remove foil. Sprinkle on onions. Bake 10 minutes more.