For the two hour Quick-Draw event in Dubois, Wyoming, I painted the action in the commercial kitchen where the food crew was prepping lunch. While I painted, I had a GoPro time lapse camera set up in the midst of the scene. (Direct link to video).
What attracted me was the cool light coming from the window and bouncing off the stainless steel surfaces of the stove, in contrast with the relatively warm light of the indoor fluorescents.
I painted it in casein on an 8x10 acrylic-primed masonite panel. I used half-inch and 3/4 inch flat synthetic travel brushes, with just a few touches with the smaller rounds.
Casein is the most like oil painting of all the water media. The difference is that with the fast drying time, detail can be added to detail without previous layers picking up, so the medium is perfect for a subject like a kitchen counter with loads of overlapping details, and it's ideal for a plein-air quick-draw, because it encourages faster and more direct handling than oil painting.
Susan Kathleen Black Foundation Workshop