Combine the tuna, mayonnaise, celery, red onion, relish, lemon juice, garlic, salt and pepper in a mixing bowl.
Spoon this mixture equally on half the bread slices.
Top each with two lettuce leaves, followed by another slice of bread.
Nutrition
Nutrition Facts: Servings: 6; Amount per serving: Calories 558; Total fat 41.45g 63.8%; Saturated fat 19.5g 97.5%; Cholesterol 107mg 35.7%; Sodium 989mg 41.2%; Carbohydrates 24g 8.0%; Fiber 1.9g 13.6%; Sugars 3.8g 7.6%; Protein 21.9g 43.8%; Based on DV of 2000 calories per day