A cooking spray is a canned product that contains an oil or fat, often combined with other ingredients such as flavorings and propellants. It is designed to be used in cooking for various purposes including greasing baking pans, preventing food from sticking to surfaces while cooking, creating a non-stick surface on cookware, and adding moisture to foods during cooking or baking. The spray is released in a fine mist that can be directed onto the desired surface, making it an easy and convenient way to add flavor and prevent food from sticking without having to use additional butter or oil.