Thaw potatoes, press between two sheets of paper towels to remove excess moisture.  Grease a small casserole dish.  Arrange potatoes evenly in the bottom of the casserole dish.   Bake potatoes uncovered in a 400 degree oven for 20 minutes.   Remove casserole from oven and cool for 10 minutes.  Reduce oven temperature to 350 degrees . .Layer Pepper Jack cheese, ham,  and Swiss cheese over the potatoes.  Mix together the eggs and half and half.  Pour over potato cheese mixture in casserole.  Bake uncovered for 25 minutes or until center appears set.  Cool 5 minutes before serving.

This recipe can easily be doubled.