Tuna Mornay is a classic comfort food dish that combines tuna, pasta, and a creamy cheese sauce. This dish is easy to make and perfect for a quick and satisfying meal. The creamy sauce is made with a combination of butter, flour, milk, and cheese, giving it a rich and indulgent flavor. The addition of peas and corn adds a pop of color and freshness to the dish. Serve the Tuna Mornay with a side salad or crusty bread for a complete meal.