500g pork mince
500g good quality sausage mince
1 onion, finely chopped
2 cloves garlic, finely chopped
1 cup fresh breadcrumbs, plus extra to sprinkle
1 egg, beaten, plus 1 extra for egg wash
1 Tbsp chopped fresh thyme leaves
1 Tbsp chopped fresh oregano
4 sheets frozen puff pastry sheets, thawed