Categories:Viewed: 5 - Published at: 7 years ago

Ingredients

  • 1/2 cup sugar
  • Zest of 2 lemons
  • 1/2 cup (1 stick) unsalted butter, cut in 1-inch pieces, plus more for buttering cookie sheets
  • 3 egg whites
  • 1 cup sifted flour
  • Pinch of salt
  • 1/2 teaspoon vanilla extract
  • 1 tablespoon strained fresh lemon juice

Method

  • In a food processor, combine sugar and lemon zest.
  • Process until zest is finely minced, about 1 minute.
  • Stop the machine, and scrape down sides of bowl with a rubber spatula.
  • Add butter, and process until creamy, about 20 seconds.
  • With processor running, add egg whites.
  • Continue to process, adding flour (1 tablespoon at a time), salt, vanilla and lemon juice.
  • Process until a thick batter is formed.
  • Scrape into a small bowl, and stir to combine thoroughly.
  • Place a rack in center of oven, and heat to 400 degrees.
  • While oven is heating, let batter sit at room temperature, about 15 minutes.
  • Butter and flour 2 cookie sheets.
  • Drop rounded teaspoons of batter on prepared baking sheets, and bake for about 8 minutes, or until edges are golden brown.
  • Remove at once to a cooling rack.