Place flour in roasting bag and shake to coat inside surface. Place ham in floured bag. Combine honey, lemon pepper and rosemary; pour over ham and close bag with twister. Poke holes in top of bag with fork. Roast at 325 for 1 to 1-1/2 hours or until slightly browned. Remove from oven, let stand 10 minutes. Cut bag and remove ham, following bag manufacturer's directions. Reserve drippings for sauce.