Mushroom Puff Pastry Tarts

Bahan-bahan (10 porsi)

• 1 lb . homemade rough puff pastry or store-bought frozen & thawed puff pastry (2 sheets)
• egg wash: 1 egg beaten with 1 Tablespoon water or milk
• 3 Tablespoons (43g) unsalted butter
• 3/4 cup (about 90g) sliced shallots (about 2–3 shallots)
• 1 lb . (16 ounces/454g) sliced mushrooms*
• 4 g arlic cloves, minced
• 1/2 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 2 teaspoons fresh thyme leaves (or 1 teaspoon dried)
• 2 teaspoons chopped fresh rosemary (or 1 teaspoon dried)
• 1 Tablespoon balsamic vinegar
• 1 cup (120g) crumbled gorgonzola cheese
• optional for garnish: flaky sea salt, pepper, more cheese, more fresh herbs, balsamic glaze