Classic Lobster Thermidor with Gruyère and Creamy Sauce - Yummy Gusto

Ingredients

• 2 lobster tails or whole lobsters
• 3 tablespoons unsalted butter
• 1/2 cup heavy cream
• 1/2 cup grated Gruyère cheese
• 1 shallot, finely chopped
• 1 tablespoon chopped fresh parsley
• 120 ml dry white wine
• 2 teaspoons brandy or cognac
• 1 tablespoon Dijon mustard
• Salt, to taste
• Freshly ground black pepper, to taste
• Paprika, for garnish
• 2 egg yolks