BBC Food - Recipes - Beef buns

Ingredients

• dash oil
• 3 Spanish onions , finely chopped
• 500g/1lb 2oz beef mince
• 200ml/7fl oz red wine
• 200ml/7fl oz chicken stock
• 5 garlic cloves, crushed into a paste
• 5g thyme , leaves only, finely chopped
• 2 bay leaves
• 30g/1oz oats , blended
• 1 whole star anise
• 5 pickled walnuts , chopped
• 1 tsp pickled walnut vinegar (from the pickled walnuts jar)
• 500g/1lb 2oz bread flour
• 104g/3½oz 00 Italian flour
• 5g salt
• 44g/1½oz sugar
• 22g/¾oz yeast
• 32g/1oz milk
• 330g/11½oz water
• 110g/4oz butter
• 250ml/9fl oz double cream
• 200g/7oz horseradish , finely grated
• ½ lemon, juice only
• 5g sea salt
• 2 small Roscoff onions , cooked in their skins at 100C/220F/Gas ¼ for about six hours.
• 100ml/3½fl oz extra virgin olive oil
• 5 pickled walnuts , finely sliced, keeping their round shape
• 40ml/1½fl oz pickled walnut vinegar (from the pickled walnuts jar)
• 2 bunches watercress