Festive CHRISTMAS Dinner

BRUSSELS SPROUTS GRATIN

Makes 6 to 8 servings

3 teaspoons kosher salt, divided
3 pounds Brussels sprouts, trimmed and halved
2 tablespoons unsalted butter
¾ cup thinly sliced onion
3 cloves garlic, minced
¼ cup all-purpose flour
2 cups half-and-half, room temperature
2 cups shredded Gruyère cheese, divided
1 tablespoon chopped fresh thyme
¾ teaspoon ground black pepper
Garnish: chopped fresh thyme

1. Preheat oven to 375°. Spray a 13x9-inch ceramic baking dish with cooking spray.

In a large Dutch oven, bring 4 inches water and 2