Dip knife in warm water, then run it around edge of mold to loosen relish from side of mold. Dip mold in warm water, just to rim, for 15 sec. Lift from water and gently pull relish from edge of mold with moistened fingers. Place moistened serving plate on top of mold. Invert mold and plate, then shake to loosen relish. Gently remove mold. If relish is still not ready, return mold to warm water for another 5 sec., then repeat.