SHOPPING LIST: Cooking Skills: Sauces 2, Chapter 1 (Brown Sauces and Jus) Onions, red onions, carrots, celery, garlic, chicken wings, plain flour, butter, low-salt beef and chicken stock, tomato purée, Worcestershire sauce, soy sauce, balsamic vinegar, brown sugar, thyme, bay leaves, black peppercorns, sunflower or rapeseed oil, a heavy saucepan, a roasting tin and a fine sieve. A quick brown sauce (4 portions) [ ] 1 tbsp sunflower or rapeseed oil [ ] 1 onion, finely chopped [ ] 2 tbsp plain flour [ ] 1 tbsp tomato purée [ ] 400 ml hot low-salt beef stock [ ] 1 tbsp Worcestershire sauce [ ] 1 tsp soy sauce [ ] 1 tsp brown sugar A roast chicken jus (4 portions) [ ] 500 g chicken wings, chopped in half [ ] 1 tbsp sunflower or rapeseed oil [ ] 1 onion, roughly chopped [ ] 1 carrot, roughly chopped [ ] 1 tbsp tomato purée [ ] 500 ml hot low-salt chicken stock [ ] 2 sprigs of thyme [ ] 1 tsp lemon juice A red onion and balsamic sauce (4 portions) [ ] 2 tbsp olive oil [ ] 3 red onions, thinly sliced [ ] 1 tbsp brown sugar [ ] 3 tbsp balsamic vinegar [ ] 200 ml hot low-salt beef or vegetable stock [ ] 1 tsp plain flour [ ] 1 sprig of thyme A rich brown sauce (espagnole-style) (8 portions) [ ] 30 g butter [ ] 1 onion, finely chopped [ ] 1 carrot, finely chopped [ ] 1 celery stick, finely chopped [ ] 30 g plain flour [ ] 2 tbsp tomato purée [ ] 1 litre hot low-salt beef stock [ ] 1 bay leaf [ ] 4 black peppercorns [ ] 1 sprig of thyme For the experiments [ ] Extra stock (about 300 ml) [ ] Extra onions [ ] Plain flour