1: Bring a large pot of water to a boil with a pinch of salt.
2: Trim the ends off the brussels sprouts and add them to the boiling water.
3: Boil for 6 minutes, then drop the brussels sprouts into an ice bath.
4: Drain and dry the brussels sprouts well and set aside.
5: Preheat the oven to 425°F.
6: Finely grate the Parmesan cheese and lemon zest and mix together.
7: Spread 1 cup of Parmesan cheese on an unlined baking sheet.
8: Add the brussels sprouts to the baking sheet.
9: Mix the lemon juice and olive oil, and lightly brush the tops of the brussels sprouts with this mixture.
10: Sprinkle black pepper and remaining cheese on top.
11: Bake for 27-28 minutes, then broil for 2-3 more minutes until the top browns and gets crispy.
12: Remove from oven, let cool, pull everything apart, and enjoy!
