Make Hollandaise sauce by putting 1 egg yolk in a blender, blend. Slowly, in a steady stream, add the melted butter. Add the lemon juice. Let process for about 30 seconds.
Place muffin on a plate, top with bacon, then egg, then Hollandaise sauce.
This recipe is tough to time - trying to get it all done and plated at the same time while everything is still hot! It helps to have a second set of hands.