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 West last weekend of March and a two-day Holiday Season Market on the second weekend of December, with both events drawing nearly 3,000 shoppers across both days. In 2009 the Market added another two-day Market at the end of November, expanding the Holiday Season Markets to 4 days. Portobello West has no Olympic Markets planned for February 2010. The name 'Portobello West' was suggested by Carlie's father, Grant 'Fuzzy' Smith, as a reference to the famous Portobello Road market in London, England and also to the location of the new market (in Western Canada). Commonly referred to as 'The Market' and