Brown meat and onion. Season to taste. Drain. Add pickles, mushrooms and tomato sauce. ... with 1 1/4 slice cheese. Place tops on buns. ... degrees for 12-15 minutes.
Combine tuna, onion, pickle and mayonnaise. Split hamburger buns, spread bottoms with tuna ... minutes. Top with slice cheese. Broil 3 minutes or ... of bun. Serve hot.