1 cup mayonnaise
1/2 teaspoon salt
1 large head iceberg lettuce - rinsed, dried and chopped
1 onion, chopped
1 tomato, chopped
1 (6 ounce) can tuna, drained and flaked
Directions
In a large bowl, whisk together the mayonnaise and salt. Stir in the lettuce, onion, tomato and tuna until all ingredients are coated.