Pesto with roasted potatoes and sirloin steak. Vegan variations of pesto can include mixes of fresh basil, nuts such as walnut or pine nut, olive oil, and the addition of miso paste and nutritional yeast to provide additional flavor enhancement to the dish. For reasons of expense or availability, walnuts, pecans, cashews or even peanuts are sometimes substituted for the traditional pine nuts. Also, while the nuts are traditionally used as is, some recipes call for prior toasting. While not preferable, other culinary nuts may be used due to the taste disturbances that some people may experience after consuming pine nuts
Soy sauce Some make black bean soy sauce, which is very widely used in Chinese and Oriental cooking as an excellent flavor enhancer. In Thailand, soy sauce is called "sii-íu" (). "Sii-íu kǎao" (, "white soy sauce") is used as regular soy sauce in Thai cuisine, while "sii-íu dam" (, "black soy sauce") is used primarily for colour. Another darker-coloured variety, "sii-íu wǎan" (, "sweet soy sauce") is used for dipping sauces. "Sɔ́ɔt prung rót" (, "seasoning sauce") is also commonly used in modern Thai cuisine. In Vietnam, Chinese-style soy sauce is called "xì dầu" (derived from the Cantonese name 豉油) or