Slow cooker beef stew

Name: Slow cooker beef stew
Prep time: 20 min
Cook time: 8 h
Total time: 8 h 20 min
Cuisine: European, British
Ingredients: onion, chopped; 2 celery sticks, finely chopped; 2 tbsp rapeseed oil; 3 carrots, halved and cut into chunks; 2 bay leaves; ½ pack thyme; 2 tbsp tomato purée; 2 tbsp Worcestershire sauce; 2 beef stock cubes or stock pots; 900g beef for braising such as skirt, buy a whole piece and cut it yourself for bigger chunks or buy ready-diced; 2 tsp cornflour (optional); ½ small bunch parsley, chopped; 1 onion, chopped; 2 celery sticks, finely chopped; 2 tbsp rapeseed oil; 3 carrots, halved and cut into chunks; 2 bay leaves; ½ pack thyme; 2 tbsp tomato purée; 2 tbsp Worcestershire sauce; 2 beef stock cubes or stock pots; 900g beef for braising such as skirt, buy a whole piece and cut it yourself for bigger chunks or buy ready-diced; 2 tsp cornflour (optional); ½ small bunch parsley, chopped