As I headed down hall to shower, I thought of other French influences on cooking here, and thought of roux which now I know is French for red.
So I had to google roux. This is why I don't get my work done like AG does!
This is a "serious", scholarly article about different versions of roux.
https://www.seriouseats.com/20...
Here is one more article with a simple recipe and ideas for GF thickeners!
https://www.tasteofhome.com/ar...
I'm not making roux today! Now I am headed back to the shower after few sips of coffee!