Can you make this side dish ahead of time? Can you refrigerate it a couple of days before and you great it up?

I wouldn’t, I’m not sure how letting kimchi and cream sitting together over a couple of days would come out. It’s a pretty quick and easy recipe, maybe instead just make sure all of your components are in place so you can quickly put it together and work on other things while it cooks. I do think it will stay warm for a good bit of time which buys you prep time once it’s finished as well.