Pai Pesta (Pai Daging Sapi Mini Australia)

Bahan-bahan (16 porsi)

• 3 tbsp olive oil
• 3 lb / 1.5kg chuck steak (, cut into 1cm / 2/5" cubes (or other beef cut suitable for slow cooking))
• 2 onions (, peeled and diced (brown, yellow or white))
• 3 g arlic cloves (, minced)
• 2 tbsp tomato paste
• 4 cups / 1 litre / 1 quart beef stock/broth
• 1 cup red wine ((anything dry and dark, not light like pinot noir))
• 2 dried bay leaves ((or 3 fresh))
• 1 1/2 tsp salt (, plus more to taste)
• 2 tsp black pepper
• 3 tbsp cornstarch ((cornflour))
• 4 tbsp water
• 1 egg yolk (, lightly beaten (or 1 whole egg, for a slightly less dark golden finish))
• 4 sheets frozen shortcrust pastry ((25cm x 25cm / 10" x 10"), thawed)
• 3 - 4 sheets frozen puff pastry ((25cm x 25cm / 10" x 10"), thawed (Note 1))
• Tomato Sauce / Tomato Ketchup