Twice Baked Potatoes with Lobster

Ingredients

• 4 large Baking potatoes
• 4 teaspoons Unsalted butter
• 1/2 cup Chopped yellow onion
• 1/2 cup Finely chopped fresh mushrooms
• 2 cups Cooked lobster (or crab) meat
• 1 cup Dry white vermouth
• 1/2 cup Creme fraiche
• Salt and Pepper