Peal and slice potatoes into 1/8" slices. Soak in salted water.
Meanwhile, butter a shallow 3 quart baking dish.
Preheat oven to 375F.
Bring milk, cream, garlic, salt, pepper and nutmeg to a boil on medium heat in a medium saucepan.
Drain potatoes and spread evenly into the baking dish.
Strain the milk mixture over the potatoes, disgarding the garlic.
Sprinkle with the cheese.
Bake 1 hour or until potatoes are tender and cheese is golden brown.