dash of salt
dash of cayenne pepper
Put the egg yolks in the blender and mix on low.
Slowly add the boiling water while mixing, then in a thin stream slowly add the melted butter, all while mixing. Add the lemon juice, salt, and cayenne. Serve immediately or hold it over warm water.
Blender Hollandaise https://cheapcooking.com/blender-hollandaise-and-eggs-benedict/ January 9, 2006