Cooking aid is a term used to describe any type of tool or ingredient that helps in the preparation of food. The following crossword solutions are all examples of cooking aids: PAN (3 letters), LARD (4 letters), OLEO (4 letters), NATURALGAS (10 letters). A PAN is a flat-bottomed container used for baking, frying, and boiling food. LARD is a type of fat derived from pork that is used in cooking. Oleo is a type of margarine made from vegetable oils. Natural gas is a combustible gas used as a fuel for cooking.