Lobster Macaroni and Cheese | Saveur

Ingredients

• Kosher salt, to taste
• 12 oz. hollow pasta, preferably elbow macaroni
• 4 tbsp. unsalted butter
• 1⁄4 cup flour
• 4 cups milk
• 11 oz. grated fontina (about 4 cups)
• 8 oz. mascarpone (about 1 cup)
• 3 tbsp. lobster or fish broth
• 3 tbsp. brandy or cognac
• 1 tsp. Tabasco
• 1⁄4 tsp. freshly grated nutmeg
• Freshly ground black pepper, to taste
• 8 oz. cooked lobster meat, cut into 1" chunks
• 1⁄3 cup minced chives
• 2 scallions, thinly sliced crosswise
• 2 oz. grated sharp aged white cheddar (about 1 cup)