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, Edinburgh to the top of Arthur's Seat. By the 18th century, it had become a haunt of seamen and smugglers. A cottage was built in 1742 on what is now the High Street (close to the junction with what is now Brighton Place) by a seaman called George Hamilton, who had served under Admiral Edward Vernon during the 1739 capture of Porto Bello, Panama, meaning literally "beautiful port or harbour", and who named the cottage "Portobello Hut" in honour of that victory. By 1753, there were other houses around it. The cottage itself remained intact until 1851, becoming a hostelry for