Smallman1
不要加黄油
不要加奶酪
In Hanyu Pinyin transliteration, that’s
bùyào jiā huángyóu (for no butter)
bùyào jiā nǎilào (for no cheese)
Though they would look at you even more strangely than the Italians did, because around 0.001% of Chinese dishes contain either.