Steven Gao on Instagram: "how to make roux! bringing it back to the basics here but also wanted to say that there is no actually “perfect” roux, they are just different and serve very very different purposes for different sauces. i think what’s important to mention about roux is that you don’t have to use butter for them, you could also use any oil you prefer, the butter (which is made up of milk solids) just provides simple sugars and other compounds that help the roux experience more maillard