A pressure cooker is a kitchen appliance that cooks food quickly by using steam and high pressure. When the lid is sealed, steam builds up inside, raising the temperature above boiling point. This allows food to cook faster than traditional methods, making it ideal for busy cooks who want to prepare meals in less time. Using a pressure cooker can enhance flavors and retain nutrients in food. It's perfect for cooking tough cuts of meat, grains, and legumes. Many modern pressure cookers also come with safety features and programmable settings, making them user-friendly for anyone looking to try out this efficient cooking method.