Venia's Tuna Salad

Ingredients (6)

• ✓ 1 cup mayonnaise
• + ½ teaspoon salt add to pantry
• + 1 large head iceberg lettuce - rinsed, dried, and chopped add to pantry
• ✓ 1 onion, chopped
• + 1 tomato, chopped add to pantry
• + 1 (5 ounce) can tuna, drained and flaked add to pantry