1 (10 oz.) pkg. frozen broccoli
3 chicken breasts, halved, boned (or turkey)
1 can cream of chicken soup
1 tsp. lemon juice
1 c. mayonnaise
1/3 tsp. dry mustard
1/4 c. sour cream, optional

Cook broccoli to directions on package until tender. Cook chicken. Alternate layers in oblong baking dish. Top with 1 cup grated cheese and 1/2 cup buttered bread crumbs. Bake 30 minutes at 320 degrees.