Oyster sauce is a thick sweet brown sauce that will add some caramel notes to any dish. It is usually made by reducing the liquid from oysters, I use oyster mushrooms to preserve the moniker and give the dish an umami boost.
Add all the ingredients except the corn starch and water to a small sauce pot over low heat,stirring constantly.
Mix the corn starch and water in a separate bowl to form a slurry. Once the sauce begins to bubble stir in the corn starch slurry and cook until the sauce is thickened and remove from heat.
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