Ingredients

  • 1 tablespoon unsalted butter, softened
  • 10 1/2 ounces (10 squares) extra-bittersweet chocolate
  • 1 1/3 cups whole milk
  • 1 tablespoon cornstarch
  • 3 large egg yolks, room temperature, lightly beaten
  • 6 large egg whites, room temperature
  • 1/3 cup sugar; more for souffle ramekins

Method

  • Heat oven to 400.
  • Butter and sugar six 6-ounce souffl?
  • ramekins.
  • Place on a rimmed baking sheet; set aside.
  • In a double boiler over medium heat, melt the chocolate until smooth.
  • Remove from the heat and keep warm.
  • In a medium heavy-bottom saucepan combine milk and cornstarch.
  • Stir well with a wooden spoon to combine.
  • Bring the mixture to a boil over medium heat, stirring continuously, until thick.
  • Remove milk mixture from the heat and stir in warm melted chocolate.
  • Let cool slightly.
  • Add lightly beaten egg yolks and stir until well combined.
  • In the bowl of a heavy-duty mixer, whip egg whites on medium speed until foamy.
  • Slowly add sugar and increase speed to high.
  • Whip until shiny and stiff peaks form, about 3 minutes.
  • Using a whisk, lighten the chocolate mixture with about 1/3 of the beaten egg whites.
  • Stir until well-combined.
  • Using a large rubber spatula, fold in remaining egg whites until just incorporated.
  • Spoon mixture into prepared souffle ramekins; the mixture should come up to the top of the ramekin.
  • Transfer filled souffle ramekins on rimmed baking sheet to oven.
  • Bake until risen, 12 to 15 minutes.
  • Serve immediately.