Caribbean Chicken Stew

In a bowl, combine ketchup, garlic, sugar, pepper sauce and, if desired, browning sauce; stir in seasonings. Add chicken thighs, sausage and vegetables. Cover; refrigerate 8 hours or overnight., Transfer chicken mixture to a 4- or 5-qt. slow cooker. Cook, covered, on low until chicken is tender, 6-8 hours. If desired, serve with rice.