1 can tuna
Chopped onion, as desired
Chopped celery, as desired
2 tbsp. mayonnaise
3 to 4 split English muffins
Cheese, shredded

Mix first 4 ingredients. Spread mixture on split English muffins. Bake at 400 degrees until golden brown; top with shredded cheese. Return to oven until cheese melts. Serves 6 to 8.