This corn and potato casserole is a comforting and flavorful dish that is perfect for a family dinner. Sweet corn kernels and tender potatoes are mixed with a creamy sauce made from milk, flour, and a touch of Dijon mustard. The mixture is then topped with a layer of melted cheese and baked until golden and bubbly. The combination of the sweet corn, creamy potatoes, and melted cheese creates a satisfying and delicious casserole that is sure to be a hit with both kids and adults. Serve it with a side of steamed vegetables or a fresh salad for a complete and balanced meal.