May 14, 2009 · Fruits, vegetables, dairy products, grains, bread, unbleached paper napkins, coffee filters, eggshells, meats and newspaper can be composted. If it can be eaten or grown in a field or garden, it can be composted. Items that cannot be composted include plastics, grease, glass, and metals -including plastic utensils, condiment packages, plastic wrap, plastic bags, foil, silverware, drinking