The Essential Ingredients
To create this savory masterpiece, gather the following high-quality components:
- Puff Pastry: 1 sheet of high-quality, chilled butter puff pastry.
- Beef Filling: 500g of lean ground beef or finely minced steak.
- Mushroom Mix: 300g of cremini or button mushrooms, finely chopped.
- Aromatics: 1 medium yellow onion (diced) and 3 cloves of minced garlic.
- Creamy Element: 150g of shredded mozzarella or provolone cheese.
- Binding Agent: 1 large egg (for the egg wash).
- Seasoning: Fresh thyme, rosemary, sea salt, and cracked black pepper.
- Cooking Fat: 2 tablespoons of olive oil.
