Le Creuset At J C Penney Hollandaise Sauce In A Double Broiler Or A Le Creuset Saucepan?

Hollandaise sauce in a double broiler or a Le Creuset saucepan? - le creuset at j c penney

I'm doing Hollaindaise the sauce first. I have a double gate and a Le Creuset pot. The recipe I have (in http://www.gourmetsleuth.com/recipe_holl ... says to use a grill room.

I use the Le Creuset pot or place of warmth than to direct?