1 lb. Pappardelle’s Gluten-Free Garlic Chive Rooster Combs
1 teaspoon sea salt
1 quart milk
6 tablespoons unsalted butter, divided
1/2 cup gluten-free all-purpose flour
12 oz. (or 4 cups) Gruyere cheese, grated
8 oz. (or 2 cups) extra-sharp Cheddar cheese, grated
1/2 teaspoon freshly ground black pepper
1/2 teaspoon nutmeg
1 lb. cooked lobster meat