Sprinkle beef evenly on all sides with 1/2 teaspoon salt and pepper; dredge in flour.
Add beef to pan; cook 10 minutes, turning to brown on all sides.
Add broth and next 3 ingredients (through bay leaf), scraping pan to remove browned bits; bring to a boil. Cover and bake at 300 for 1 1/2 hours.
Add carrots; cover and cook 25 minutes.
Add remaining 1/2 teaspoon salt, turnips, and onion; cover and cook an additional 1 hour and 5 minutes or until vegetables are tender and beef is fork-tender.
Remove beef and vegetables from pan; discard bay leaf. Cover beef mixture; keep warm.
Let cooking liquid stand 10 minutes.
Place a zip-top plastic bag inside a 2-cup glass measure.
Pour cooking liquid into bag; let stand 10 minutes (fat will rise to the top). Seal bag; carefully snip off 1 bottom corner of bag.
Drain cooking liquid into a medium bowl, stopping before fat layer reaches opening; discard fat.