Indulge in Classic Lobster Thermidor (French Dinner at Home)

Ingredients

• 4 lobster tails, 6-8 oz (170-225 g) each
• 1 tablespoon olive oil
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 3 tablespoons unsalted butter
• 1 small shallot, finely minced
• 1 garlic clove, finely minced
• 2 tablespoons all-purpose flour
• 1/4 cup (60 ml) brandy or cognac
• 1/3 cup (80 ml) dry white wine
• 1/2 cup (120 ml) seafood stock or clam juice
• 3/4 cup (180 ml) heavy cream
• 2 teaspoons Dijon mustard
• 1 teaspoon fresh lemon juice
• 1 teaspoon chopped fresh tarragon
• 1 tablespoon chopped fresh parsley
• 1/8 teaspoon cayenne pepper
• Salt
• black pepper
• 3/4 cup (75 g) grated Gruyere cheese
• 1/4 cup (15 g) panko breadcrumbs
• 1 tablespoon melted butter
• 1 tablespoon grated Parmesan cheese