Drain the chicken and pat dry. Heat reserved 2 tablespoons sausage drippings; saute chicken over high heat for 2 to 3 minutes or until browned. Remove pan from heat. Dissolve cornstarch in broth and stir the mixture, the wine or vermouth and garlic into the pan. Return to heat and bring to a boil, stirring constantly. Stir in zucchini, red peppers, sausages and chili oil or hot pepper sauce to taste. Cook stirring constantly, until chicken is cooked through, 2 to 3 minutes. Serve immediately.