Add chicken, 3 cups broth, cumin, garlic powder, onion salt, cream cheese, black beans, corn, enchilada sauce, and tomato sauce to your slow cooker. Cover and cook on high for 3-4 hours or on low 7-8 hours.About 10-15 minutes before serving, shred the chicken with 2 forks and stir soup until cream cheese is combined with soup. Whisk remaining â…“ cup chicken broth (or water) and flour (or masa harina). Add to slow cooker and stir until thickened. Serve warm with additional toppings as desired.