Rub the bottom of each dish with crushed garlic. Let dry. Rub again with butter.
Reduce 1cup of cream by a third
Peel and slice potatoes 1/8 inch thick
Arrange potato slices in one layer, overlapping about half of each slice
Salt and pepper
Cover potatoes with grated Gruyere and Reggiano Parmesan
Pour cream in
Bake uncovered at 350 until done....50 to 60 minutes