Tuna Melt Sandwiches

Ingredients
- 34 c chopped celery
- 34 c diced Cheddar cheese
- 1 6 oz can tuna drained and flaked
- 1 small onion diced
- 14 c mayonnaise
- 18 tsp salt
- 14 c butter
- 6 hamburg buns split
Directions
- In a medium bowl combine celery cheese tuna onion mayo and salt set aside
- Spread butter over the cut side of buns Spread tuna mixture on bun bottom replace top
- Wrap in foil Bake at 350 for 15 minutes or until cheese is melted