- 3/4 cup chopped celery
- 3/4 cup diced Cheddar cheese
- 1 (6 ounce) can tuna, drained and flaked
- 1 small onion, chopped
- 1/4 cup mayonnaise
- 1/8 teaspoon salt
- 1/4 cup butter or margarine, softened
- 6 hamburger buns, split
- In a bowl, combine the first six ingredients; set aside. Spread butter over cut sides of buns. Spread tuna mixture on bun bottoms; replace tops. Wrap in foil. Bake at 350 degrees F for 15 minutes or until the cheese is melted.