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 Institute It is located in Dominck St., Dublin, and some of its courses are available online. A graduation ceremony takes place each year; in the past few year it has taken place in the RDS in November. The 2012 graduation took place on 10 November in the RDS Concert Hall. Portobello Institute Portobello Institute is a private post leaving certificate college specialising in healthcare, beauty therapy, Montessori, travel, business, and creative studies. The institute is a registered HETAC and FETAC provider. It has a variety of programmes validated by a number of bodies including HETAC, ACCA (Certified Accounting Technician), BIFM, City