Potato Meat Pie

POTATO MEAT PIE PREP TIME: 30 MINUTES COOKING TIME: 1.5 HOURS SERVES: 6 445g pack sour cream shortcrust pastry (eg. Careme), thawed1 egg, lightly beaten, for glaze PIE FILLING 1 tablespoon olive oil 1 brown onion, peeled and diced 1 clove garlic, finely chopped 1...