Name: Party Pies (Aussie Mini Beef Pies)
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Yield: 16
Ingredients: 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 garlic 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