Italian Potato Cakes

Found this recipe in "The Food of Italy ". It looks so impressive that I thought someone here might enjoy it! I add extra garlic of course!

• Ready In: 1 hr 20 mins
• Serves: 4

Ingredients

• 1  small onion, thinly sliced into rings
• 5  tablespoons butter
• 2  cloves garlic, minced or crushed
• 2  lbs potatoes, thinly sliced
• 1  cup mozzarella cheese, grated
• 1⁄2 cup parmesan cheese, grated
• 2  tablespoons milk
•  fresh ground black pepper
•  sea salt

Directions

1. Preheat the oven to 415º F.
2. Slice the onion, break it into rings, and, in a strainer, rinse the rings under cold water.
3. Melt the butter in a small saucepan, add the garlic, and set aside.
4. Place a layer of potato on the bottom of an 8" springform pan, followed by layers of onion, butter, mozzarella, and Parmesan.
5. Grind some black pepper and a little sea salt.
6. Repeat the layers until you have used up all the ingredients, keeping a bit of butter to drizzle on the top.
7. Finish with potato and then drizzle on a little butter.
8. Spoon the milk over the top.
9. Place the springform pan on a baking sheet with a lip or flat pizza pan with a lip.
10. Bake for 1 hour, or until the top is golden brown and the potatoes are tender.
11. Check in 45 minutes; if the top is getting too brown, cover with foil.
12. Cool for 10 minutes before serving.
13. Unclip the sides of the pan and remove, and transfer to a plate for serving.