Oyster sauce
teuk krom, 蚝油
Oyster sauce describes a number of sauces made by cooking oysters. the most common in modern use is a viscous dark brown condiment made from oyster extracts, sugar, salt and water thickened with corn starch. some versions may be darkened with caramel, though high-quality oyster sauce is naturally dark. it is commonly used in chinese, thai, malay, vietnamese, and khmer cuisine.
Source: Wikipedia
