1 (6 1/2 oz.) can Tuna, flaked
1 can mushroom soup
2 cups elbow macaroni, cooked
1 cup milk
Chopped onions to taste
Velveeta or Cheddar cheese
1 small can carrots, diced

Cook macaroni. Mix macaroni with other ingredients. Pour into buttered oblong glass dish. Sprinkle generously with grated cheese. Sprinkle bread crumbs over that. Top with pats of butter. Bake 1/2 hour or until bubbly at 350 F.