This is Oatly Oat Milk placed in ambient packaging so that you can store it at room temp. It is a great go-to product for just about everything, and is loaded with amazing oatsomeness that would make other drinks exceptionally jealous but since it is made of oats and oats are incredibly humble, well then jealousy is not an issue. When should you use it? Whenever you’d use old-school milk from cows — chilled in a glass, for cooking, or in baking — in exactly the same amounts