shǎo yóu shǎo yán shǎo táng bù yào wèi jīng zhè xiē yāo qiú zuì hǎo diǎn cài shí jiù shuō

少油、少盐、少糖、不要味精这些要求，最好点菜时就说。

Requests like less oil, less salt, less sugar, and no MSG are best mentioned when ordering.