Brussels Sprouts Gratin is a simple but elegant side dish featuring roasted brussels sprouts with shallots in a rich, creamy, and cheesy sauce and a crispy, savory topping.
1. Preheat oven to 425°F. Toss brussels sprouts and shallots with olive oil in a 9"x13" dish, season with salt and pepper. Bake for 12-15 minutes until sprouts are bright green and tender.