Oyster sauce salt, should be added to the sauce, since the oysters should provide all the savoury flavour. However, this method is prohibitively expensive. Many modern oyster sauces are thickened with cornstarch, flavoured with oyster essence or extract and darkened with caramel. Vegetarian oyster sauce prepared from mushrooms, often oyster mushrooms or shiitake mushrooms, is also popular and generally lower in price. It may contain more taste enhancers if less mushroom extract is used to reduce costs. Most of the oyster sauces available on the market contain added monosodium glutamate (MSG). In recent years MSG-free varieties can also be found. The taste
Portobello (NBR) railway station Portobello (NBR) railway station Portobello railway station was located at Station Brae, off Southfield Place, in the Portobello area of Edinburgh (Scotland), with footpath access also from other directions. The station opened in 1846 by the North British Railway. There was an earlier Portobello station opened by the Edinburgh and Dalkeith Railway. The station was rebuilt in 1887. During its lifetime, as rail services evolved, Portobello was served by most passenger trains running out of the east end of Waverley including stopping trains on the Berwick and Carlisle main lines and through trains to the various branches, e.g. Musselburgh, North