Step 1

Preheat oven to 425 degrees F.

Step 2

Toss Brussels sprouts, oil, salt and pepper in a large bowl. Spread in an even layer on a large rimmed baking sheet.

Step 3

Roast for 8 minutes. Remove from the oven, add shallots to the pan and stir to combine. Roast for 8 more minutes. Remove from the oven and sprinkle the vegetables with Parmesan and vinegar; toss to combine. Turn off the oven and return the pan to the warm oven until the cheese is melted, about 2 minutes.