Beef & Mushroom Pasties - A better choice!

Ingredients

• 250g mushrooms, finely chopped
• 250g beef mince
• 1 tbsp olive oil
• ½ onion, diced
• 1 cup frozen mixed vegetables
• 1 beef stock cube
• 1 tbsp tomato paste
• 1 tbsp worcestershire sauce
• 2 tbsp water
• ¼ tsp salt
• ¼ tsp white pepper
• 3 sheets frozen shortcrust pastry, thawed
• 1 egg