Pork tenderloin with mustard sauce is an elegant and flavorful dish that is perfect for special occasions. The pork tenderloin is seasoned with salt, pepper, and herbs, and then seared until it is golden brown. It is then roasted in the oven until it is cooked through and tender. The mustard sauce is made with Dijon mustard, white wine, and cream, and adds a tangy and creamy element to the dish. Serve the pork tenderloin with roasted potatoes and steamed vegetables for a complete meal.