Coat beef with gluten-free flour. Heat oil in large deep skillet or Dutch oven on medium heat. Add beef; cook until browned on all sides.
Stir in Seasoning Mix and water.
Bring to boil. Cover. Reduce heat and simmer 45 minutes, stirring occasionally. Add vegetables; simmer 1 hour or until beef and vegetables are tender, stirring occasionally. Thicken stew with additional gluten-free flour, if desired.