1 clove garlic, peeled and crushed
225g/8oz button mushrooms, wiped and sliced
1 brown onion, finely chopped
1 tbsp freshly chopped parsley
salt and freshly ground black pepper
1 tbsp olive oil
15驳/陆辞锄 butter
150ml/5fl oz cr猫me fra卯che
150ml/5fl oz dry white wine