1.In A Large Bowl, Stir Together The Ginger, Garlic, Red Pepper Flakes, Soy Sauce, Broth, And Peanut Butter. Stir In Pork To Coat. Set Aside. 2.Heat Oil In A Wok Or Large Skillet Over Medium-High Heat. Stir In Onions, And Cook About 1 Minute. Stir In Cashews. Cook Until Unions Are Soft And Translucent. Pour In Pork And Marinade. Cook Until Pork Pieces Are Done, About 10 Minutes. Stir In Mixed Vegetables, And Cook 5 Minutes More.