Valentine's Day Pulled Pork Pie | Love Pork

Ingredients

• 2 x 150g pork shoulder steaks, trimmed
• 1 tablespoon olive oil
• 2 shallots, peeled and chopped
• 1 carrot, peeled and chopped
• 1 celery stick, chopped
• 1 tablespoon plain flour
• 1 tablespoon tomato purée
• 200ml hot chicken stock
• 200ml cider
• 1 tablespoon freshly chopped thyme
• 100g prepared puff pastry
• 1 egg, beaten
• A little plain flour