The classic hollandaise sauce is not as tricky as some would have you believe. Take it slowly, follow the instructions, and you will have a perfect hollandaise sauce every time. Still nervous check out danilo alfaro's step by step instructions for a perfect hollandaise sauce. Hollandaise sauce is a delicious accompaniment to many dishes: fish, eggs, asparagus are perfect partners to the slick, buttery sauce. There are also plenty of variations on a classic hollandaise sauce.