Cooking may destroy the nutrients and also the natural enzymes in raw food. Therefore, it is generally not recommended to cook it. Cooking also destroy Taurine that is so important in a cat diet. Most dogs like their food cold but for old, sick dogs or young puppies, you can try warming the BARF diet. You can warm it up by placing the Coco & Joe BARF diet in a stainless steel bowl and placing the bowl in warm water to warm it up. After the raw diet is warmed up, it should be consumed as soon as possible.