Preheat your oven to 400°Fahrenheit (200°Celsius).
In a skillet over medium heat, melt the butter. Add diced onion, celery, garlic, and potato. Sauté until softened.
4 celery stalks, 1 yellow onion, 4 cloves garlic, 4 tablespoons butter, 1 red potato
Stir in flour until well combined, then gradually pour in lobster stock and cream sherry, whisking constantly to avoid lumps.
5 tablespoons all-purpose flour, 3 tablespoons cream sherry, 2 cups lobster stock
Add peas, tarragon, salt, pepper, and paprika. Cook until the mixture thickens.
½ cup peas, 1 tablespoon fresh tarragon, 2 ½ teaspoons fresh cracked pepper, 2 teaspoons salt, ½ teaspoon paprika
Fold in cooked lobster meat and heavy cream, then transfer the mixture to a baking dish.
1 lb lobster meat, ½ cup heavy cream
Roll out puff pastry to fit the baking dish and place it over the filling. Brush with beaten egg for a golden finish.
1 package of puff pastry, 1 egg
Bake for 25-30 minutes or until the pastry is golden brown and the filling is bubbly.
Let it cool slightly before serving. Enjoy the indulgent flavors of lobster pot pie!