1 stick celery
1 onion, peeled
1 tsp dried thyme
陆 tsp dried thyme
2 x 400g/14oz tins chopped tomatoes, plus approximately 2 full cans of water
1 tsp Worcestershire sauce
black pepper, to taste
3 tbsp breadcrumbs
1 tsp sea salt flakes or 陆 tsp pouring salt
1 tsp sugar
1 free-range egg
3 tbsp grated parmesan
500g/1lb 2oz turkey mince