What Is Kung Po Beef?

Kung Pao, or Kung Po, beef is a westernized version of the classic Szechuan dish called Kung Pao chicken. In the original Chinese version, chicken is stir-fried with vegetables, fresh peanuts or cashews, chili peppers and Szechuan peppercorns. Western versions may substitute beef, pork, seafood or tofu for the chicken.