White Tuna Salad on Sourdough Bread

This tuna salad was on the menu the very first day Mangia opened. Right from the beginning, it was one of our bestsellers, and it still is. People just don't get tired of it. You can add lettuce, watercress, sliced onions, sliced tomatoes, cornichons (they are particularly good), crisp bacon, olives or just about anything you like. And, if you place all (or some) of these ingredients separately on the table and let your guests fix their own sandwiches, they may create tuna salad sandwiches that are memorable.