"Mere listings of ingredients as in recipes, formulas, compounds or prescriptions are not subject to copyright protection. However, where a recipe or formula is accompanied by substantial literary expression in the form of an explanation or directions, or when there is a combination of recipes, as in a cookbook, there may be a basis for copyright protection."Source: Copyright office
"Copyright protects only the particular manner of an authors™ expression in literary, artistic, or musical form. Copyright protection does not extend to names, titles, short phrases, ideas, systems, or methods."Source: Copyright office