Wash cabbage leaves. Boil 4 cups water. Turn off heat. Soak leaves in water for 5 minutes. Remove, drain and cool.
Combine ground meat; rice, salt, pepper, thyme, nutmeg and cinnamon. Place 2 tablespoons meat mixture on each leaf and roll firmly. Stack in electric slow cooker. Combine tomato paste and water; pour over stuffed cabbage. Cover. Cook on low setting for 8-10 hours.