500g/1lb 2oz chestnut mushrooms, halved
6 garlic cloves, crushed or finely chopped
3 large onions, roughly chopped
3 tbsp Dijon mustard
3 tbsp creamed horseradish sauce
50²µ/1¾´Ç³ú plain flour
3 tbsp Worcestershire sauce
300ml/10fl oz beef stock
salt and freshly ground black pepper
1 tbsp light muscovado sugar
3 tbsp sunflower oil
3-4 tbsp double cream (optional)
1.5kg/3lb 5oz braising steak, diced
300ml/10fl oz dry white wine