In a small bowl, combine ground pork, sherry and 1 teaspoon cornstarch; set aside.
In a separate small bowl, combine black beans, chile paste, cayenne pepper, soy sauce, garlic, and ginger; set aside.
Heat a large skillet over medium heat. If pork is lean, add 1 tablespoon oil. Cook pork until evenly browned. Stir in black bean mixture, tofu, and peas. Pour in chicken broth, and bring to a boil. Stir in dissolved cornstarch, and cook until thickened.