Ingredients

The following ingredients have 6 Servings
  • 1 large egg
  • 4 large egg yolks
  • 1 cup sugar
  • ½ cup fresh lemon juice
  • 6 tablespoons cold unsalted butter (cut into 6 pieces)

Instruction

  • In a large, heavy pot whisk together the egg, yolks, sugar, and lemon juice until smooth.
  • Place the pot over medium heat and whisk very frequently until the mixture is warm. Continue whisking until the mixture thickens and turns buttery yellow, about 7 to 10 minutes. Adjust the heat as needed to make sure the mixture does not simmer, but stays hot. When the mixture coats the back of a mixing spoon it is done. You can also use a candy thermometer to measure the temperature, which should be between 170° and 175°F.
  • Remove the pot from the heat and whisk in the butter one tablespoon at a time, until each addition of butter is melted and incorporated. Place a piece of plastic wrap over the top (this prevents a skin from forming) and allow to cool. Refrigerate for up to 3 days.