Pomme de Terre Tarte 3/4 lb. Fingerling Potatoes 1 tablespoon Olive Oil 1 tablespoon Butter Salt & Pepper 1/2 cup crumbled Blue Cheese 1 sheet frozen Puff Pastry 1 tablespoon fresh Thyme and Rosemary Egg Wash (Whisk: 1 egg + 1 tablespoon water) Pre-heat oven to 400 degrees. Thaw the puff pastry and place onto …