Brush cabbage with butter.
In 2-quart oblong baking dish, arrange cabbage so wide edges are towards rim.
Sprinkle with caraway seeds and water.
TO HEAT BY TIME Cover with plastic wrap.
Set Power Select at HIGH for 8 to 9 1/2 minutes.
TO HEAT BY INSTA-MATIC Cover completely with plastic wrap; heat on COOK 6.
After heating, release plastic wrap.
Cabbage should be just tender.
Let stand, covered, 5 minutes, before serving.