Spinach salad may contain eggs or bacon.Soups may contain beef or chicken stock.Sautéed vegetables may contain chicken stock or pork.Rice and vegetables may be cooked in chicken stock.Potato salad may contain bacon, eggs or mayonnaise.Mashed potatoes and twice-baked potatoes generally contain butter, sour cream and/or milk.Flour tortillas, refried beans, biscuits, and piecrusts may contain lard.Dumplings or gyozas often contain pork or chicken.Coleslaw and macaroni usually contain eggs (in the mayonnaise).
Caesar salad dressing may contain anchovies and/or eggs.Bonito flakes, also known as katsobushi in Japanese cuisine, are finely shaved slices of dried fish most often combined with seaweed to make dashi, the base stock for most Japanese soups and broth.