Cook's Supply is a term used to describe the essential items needed for cooking. These items include OIL, herbs, knives, and LARD. OIL is a liquid fat that is used for cooking and baking. Herbs are plants with fragrant leaves that are used to flavor food. Knives are sharp tools used for cutting and slicing food. LARD is a type of fat that is used in cooking and baking. All of these items are necessary for a cook's supply.