Tuna-Stuffed Baked Tomatoes are a delicious and healthy dish that can be enjoyed as a light lunch or dinner. The juicy tomatoes are hollowed out and filled with a flavorful mixture of tuna, mayonnaise, celery, and onions. Baked until the tomatoes are tender and the filling is golden and bubbly, these stuffed tomatoes are a satisfying and nutritious meal. Serve them with a side salad or crusty bread for a complete and satisfying meal.