Preheat oven to 350 desrees. In a large mixing bowl, combine first 6 ingredients (potatoes through 1 cup cheese) In a medium mixing bowl, mix eggs and half and half. Do not beat.
Spoon potato mixture into 12 sprayed ramekins, approximately 3 heaping tablespoons each. Add egg mixture, filling ramekins to about 1 inch from top. Sprinkle with remining cheese. Bake for 35-45 minutes until set and nicely browned.