Apart from using it as a sauce for vegetables, sauce hollandaise is also great for gratinating. This recipe is fairly simple in principle but because of the hollandaise it takes some time to make. Don't even think about using fake supermarket hollandaise made with oil for this. If you don't have the time, better use cheese for gratinating.
Sauce Hollandaise is one of the finest things you can make with butter. Butter is a solid animal fat, as is lard. This means you can exchange butter with lard for a meaty variant. And just in case someone is worried about the high satureted fat content of lard: lard has actually less of it than butter (~30% vs. ~50%).
Every once in a while I am in for a bit of indulgence. Since it is both asparagus and morel mushroom season I went for a combination of the two which is absolutely delicious. For the sauce hollandaise I use the virtually foolproof method of whisking in cold butter instead of the traditional liquid clarified butter.
If you love French charcuterie as much as I do, you might want to give this a try. The recipe is fairly easy, and the result is delicious.