Puff Pastry:

• 1 sheet puff pastry, thawed

Mushroom Shallot Mixture:

• 2 tablespoons olive oil
• 1 tablespoon unsalted butter
• 2 shallots, thinly sliced
• 12 ounces mushrooms, sliced (cremini, shiitake, or button)
• 2 cloves garlic, minced
• 1 teaspoon fresh thyme leaves
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

Herbed Goat Cheese Filling:

• 4 ounces herbed goat cheese, softened
• 1/4 cup heavy cream
• 1 tablespoon fresh parsley, chopped

Egg Wash:

• 1 egg, beaten