How to Make It
Preheat oven to 425°F. Toss together Broccolini, oil, Parmesan, salt, and pepper on a large rimmed baking sheet; spread in a single layer. Arrange lemon quarters in corners of sheet pan. Bake in preheated oven until charred and stems are tender, about 15 minutes. Squeeze charred lemons over Broccolini. Serve immediately.