A refreshing and flavorful tuna salad served over a bed of crisp vegetables.
Combine the tuna, mayonnaise, and black pepper in a mixing bowl until well mixed.
Use a fork to break up the tuna for a smoother texture.
Arrange the romaine lettuce on a serving plate as the base.
Ensure the lettuce is dry for a crisp texture.
Layer the purple cabbage, red bell pepper, grape tomatoes, and red onion over the lettuce.
Distribute the vegetables evenly for a balanced presentation.
Place the tuna mixture on top of the vegetables.
Shape the tuna mixture into a neat mound for an appealing look.
Drizzle the lemon juice and sprinkle the salt over the salad.
Add the dressing just before serving to keep the salad fresh.
Serve the salad immediately and enjoy.
Pair with a slice of whole-grain bread for a complete meal.