Put GF flour, salt and pepper in a large ziploc bag.
Heat oil over medium heat in a cast iron skillet.
Place meat in bag with the flour and shake until well coated.
Shake off meat pieces and add them to the oil and stir until slightly browned, add brown pieces to your slow cooker.
Add red wine to cast iron skillet to deglaze the pan. Add all liquid to slow cooker.
Add broth, potatoes, carrots, celery, onions and spices to slow cooker.
Cover and cook on high heat for 5 hours (stirring every 1 hour).