I am making steamed mix vegetable and my daughter asked me to cook Chinese white sauce with it. I have never made white sauce and thatâs why I was reading the white sauce recipe in which I came across peanut oil. I donât have peanut oil and I want to know can I use simple vegetable oil in its place? Will it affect the taste of the sauce? Also tell me the reason of using peanut oil in the white sauce recipe?