• 10 medium potatoes, peeled and quartered

• 1/3 cup butter

• 2/3 cup milk

• 3 egg yolks

• 1  eight ounce pkg. cream cheese

• ½ cup Parmesan cheese

Cook potatoes in water until tender.  Drain well.  Place in large mixing bowl with butter, milk and egg yolks.  Beat until well blended and no lumps remain.  Beat in cream cheese.  Pour into well-greased, large casserole dish having high sides.
Sprinkle with cheese.   Bake at 350 degrees for 25-30 minutes.  If preparing ahead, cover and refrigerate.
When ready to serve, bake at 350 degrees for 45 minutes.