"Easiest Ever" Hollandaise Sauce - cooking recipe

Ingredients

1/2 cup butter or 1/2 cup margarine
1/2 lemon, juice of (1-1/2 tablespoons)
1/8 teaspoon salt
1 dash white pepper
3 egg yolks

Preparation

Cut the butter into several pieces and bring to room temperature.
In the top of a double boiler, combine egg yolks, lemon juice, salt and pepper.
Add a piece of butter.
Cook, stirring steadily with a wooden spoon or wire whisk, over, but not touching, boiling water.
When butter melts and sauce begins to thicken, add remaining butter, stirring constantly until melted.
Continue cooking as sauce thickens, about 2 more minutes.
Immediately remove from heat.