In a medium bowl, mix together tuna, ¼ cup mushroom soup, ½
cup bread crumbs, onion and egg.
Form 6 patties and coat with remaining bread crumbs. Cook over medium heat
in skillet coated with cooking spray, about 5 to 7 minutes on each side.
For sauce, blend together remaining soup, milk, lemon juice and mayonnaise.
Cook over medium heat until sauce is hot, about 5 minutes. Spoon sauce over
croquettes to serve.
