Robyn's Tuna Casserole

5  oz. can tuna, drained
10.5 oz. cream of mushroom soup
1/2 c. fresh mushrooms, sliced
1 stalk broccoli, cut in small pieces
medium onion, diced
1/4 c. Miracle Whip 
12 oz. macaroni noodles, cooked

bread crumbs (can sautéd in butter first)

Combine first 7 ingredients. Sprinkled bread crumbs on top. Bake at 375 degrees for 1 hour.