Preparation time: 20 minutes

Hollandaise is a perfect accompaniment to fish, eggs benedict, asparagus, etc. 

Double boiler preparation

1. in the upper part of a double boiler place the butter, egg yolks, vinegar and a pinch of salt; 
2. place over boiling water and stir constantly until thickened without letting the eggs curdle;
3. finish with the lemon juice and a little pepper;
4. if the sauce gets too thick, thin with a little hot water.