3 garlic cloves, crushed
200g/7oz mushrooms, sliced
2 onions, sliced
handful flatleaf or curly parsley, roughly chopped (optional)
1 tbsp Dijon mustard
3 tbsp plain flour
freshly cooked rice or tagliatelle, to serve
1 tbsp Worcestershire sauce
2 beef stock cubes, crumbled
salt and freshly ground black pepper
2 tbsp sunflower oil
25g/1oz butter
125ml/4fl oz soured cream
600g/1lb 5oz stewing or casserole steak, cut into chunky strips