Blend first 4 ingredients in blender until smooth.
Place flour in shallow dish. Dip ribs in flour, turning to evenly coat both sides of each. Gently shake off excess flour; cook ribs, in batches, in ovenproof Dutch oven or large deep skillet 5 min. or until evenly browned, turning after 3 min.
Return all ribs to pan.
Add sauce; bring to boil.
Remove from heat; cover.
Bake 1-1/2 hours or until ribs are tender. Skim fat from sauce; discard.