French Onion Broccoli Cheese Casserole *There’s a certain warmth that comes from a dish layered with caramelized onions, tender broccoli, and a rich, bubbling cheese sauce. It’s the kind of comforting casserole many of us remember serving at holidays or bringing to potlucks—classic, cozy, and always the first to disappear.* What You'll Need (1 tablespoon) olive oil (2 tablespoons) unsalted butter, for onions (2 large) yellow onions, thinly sliced (1/2 teaspoon) granulated sugar (1 teaspoon) kosh

Broccoli cooked tender. Stir into a creamy mustard cheese sauce with cheddar, Gruyère, pepper. Broil 3–5 minutes. Bubbly, golden, cozy gratin perfection. Ingredients ➤ 8 cups fresh broccoli florets (two 12-oz bags) ➤ 3 Tbsp unsalted butter, divided ➤ 1/2 cup chopped onion ➤ 1 Tbsp chopped garlic ➤ 1/4 cup all-purpose flour ➤ 2 3/4 cups reduced-fat milk (room temp) ➤ 1 tsp dry mustard ➤ 1 tsp Dijon mustard ➤ 1/4 tsp 1/8 tsp salt ➤ 1/4 tsp ground pepper ➤ 1/8 tsp cayenne (optional) ➤ 3/4 cup shred