Sugar, and Butter both things that turn brown quickly. You can see that butter is already partially browned when he starts. Also he is more mixing and soaking t

Sugar, and Butter both things that turn brown quickly. You can see that butter is already partially browned when he starts. Also he is more mixing and soaking the tiny bit that caramelizes with contact with the hot pan by using water into the onions. You can tell by the texture and color of those onions at the end it's not exactly what you would get from a normally caramelizing. The onions if caramelized should be more broken down that. This seems more like an in between browned and caramelized.