In bowl .combine chopped ham, snipped bacon, onion, olives, garlic, and beaten egg.
Unroll roast; spread ham mixture over meat.
Reroll roast; tie securely.
Place roast, fat side up, on rack in shallow roasting pan.
Roast, uncovered, at 325Â° about 3 hours for rare.
Let stand about 15 minutes.
Remove strings and carve.