INSTRUCTIONS
1. Preheat the oven to 425F. Butter a 12" cast iron skillet or a 9" springform pan.
2. Bring a large pot of salted water to a boil. Cook pasta according to package instructions. Drain well.
3. In a large bowl, mix the milk, Parmesan, eggs, 2 ½ teaspoons pepper, salt and 1 ½ cups each of the Fontina and cheddar. Add the pasta and toss well to coat.
4. Add pasta mixture to the pan then top with remaining ½ teaspoon pepper, Fontina and Cheddar cheeses. Bake for 35-40 minutes, or until the cheese is melted and bubbling.
5. Turn on the broiler. Broil the pie 8β from the heat for about 2-3 minutes, until browned on top. Remove from the oven and allow to cool for 15 minutes.
6. Run a knife around the edge to loosen and then unmold. Cut into wedges and serve.