This Tuscan White Bean and Escarole Soup with Tuna is a hearty and flavorful dish that combines the earthy flavors of white beans and escarole with the richness of tuna. The soup is made with a base of sautéed onions, garlic, and celery, which are then simmered with chicken broth, white beans, and escarole. The tuna is added at the end to give the soup a boost of protein and a delicious seafood flavor. This soup is perfect for a cozy dinner on a cold night.