Slice the squash into bite-size
pieces. Place the pieces in a 2-quart
microwave-safe casserole, and add the water.
Cover and microwave on High for 3 minutes.
Add the sauerkraut, caraway
seeds, mustard, and meat, mixing well. Cover and
microwave on High for 6 minutes, stirring
halfway through.
Stir in the cheese, and microwave
for 3 to 5 more minutes, or until the cheese is
melted.