Cook beef in olive oil. Add beef broth, water and seasonings. Bring to boil, then reduce heat, cover and simmer 1 hour
Stir in vegetables then sprinkle in xanthan gum, cover and simmer 1 hour more.
Video
Notes
For a thicker stew, sprinkle in more xanthan gum or guar gum. A better option may even be glucomannan powder. Just be careful not to add too much or it will be almost like gelatin.