Lobster Thermidor | Saveur

Ingredients

• Salt, to taste
• 2 lobsters (about 1 1/2 lbs. each)
• 2 cups milk
• 7 tbsp. unsalted butter
• ¹⁄₄ cup flour
• 1 tsp. ground nutmeg
• Freshly ground black pepper, to taste
• 2 shallots, finely chopped
• ¹⁄₂ lb. cremini mushrooms, quartered
• 1 cup white wine
• 1 ¹⁄₂ cups heavy cream
• 1 tbsp. finely chopped chervil
• ¹⁄₈ tsp. cayenne
• ¹⁄₂ tsp. dry mustard
• ¹⁄₂ lb. Gruyère, grated