Lamb Pasties

Name: Lamb Pasties
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: British
Ingredients: 1 tbs olive oil; 1 brown onion (medium, finely diced); 3 small potatoes (finely diced); 2 carrots (finely diced); 500 g lamb mince; 1/2 cup peas and corn (frozen); 3 tbs Worcestershire sauce; 3 tbs tomato sauce; 1 tsp vegetable stock powder; 2 tsp cornflour (dissolved in 1/4 cup water); 8 sheets puff pastry (defrosted); 1 egg (lightly beaten); sesame seeds (to sprinkle)