Portable tuna pockets are a convenient and tasty option for a quick lunch or snack. These pockets are made with flaky puff pastry filled with a flavorful tuna mixture. The tuna filling is made with canned tuna, mayonnaise, mustard, and spices, creating a creamy and savory filling. The puff pastry adds a buttery and crispy texture to the pockets. These portable tuna pockets can be enjoyed warm or at room temperature, making them perfect for on-the-go meals.