Ingredient:

• 2 (5 ounce) cans tuna, drained
• 3 tablespoons mayonnaise
• 1 ½ tablespoons pickle relish
• 1 tablespoon chopped onion
• 1 tablespoon chopped celery
• 1 teaspoon lemon juice, or to taste
• 1 pinch garlic salt, or to taste
• 4 leaves lettuce (Optional)
• 4 (8 inch) flour tortillas, warmed