Butter and Yolk Sauce

Ingredients

 * 1/4 lb/125 g butter
 * 5 yolks
 * juice from 1 lemon
 * salt

Directions

 * 1) In a small pan, placed in a larger one with boiling water, mix the butter, adding the yolks one by one.
 * 2) Stir continuously until hot, but do not let boil.
 * 3) Add salt and lemon juice.
 * 4) Serve on steamed vegetables or boiled potatoes with a pinch of fine chopped dill on them.