Ingredients

  • 1 13 cups graham cracker crumbs
  • 1 14 cups sugar
  • 6 tablespoons butter, softened
  • 4 egg yolks
  • 14 cup cornstarch
  • 6 tablespoons cocoa powder
  • 14 teaspoon salt
  • 3 cups milk
  • 2 teaspoons vanilla extract
  • 2 cups miniature marshmallows

Method

  • Heat the oven to 375 degrees .
  • In a mixing bowl, combine the graham cracker crumbs and 1/4 cup of the sugar.
  • Add 4 tablespoons of the butter, rubbing it in with a pinching motion until evenly distributed.
  • Press the crumb mixture into a 9-inch pie pan and bake for 8 to 10 minutes or until golden brown.
  • Allow the crust to cool.
  • Beat the egg yolks in a medium bowl and set them aside.
  • Combine the remaining cup of sugar, cornstarch, cocoa powder, and salt in a 2-quart saucepan.
  • Set the pan over medium heat and gradually whisk in the milk, stirring until smooth.
  • Bring the mixture to a boil, stirring often.
  • Boil for 1 minute, stirring constantly, then remove the pan from the heat.
  • Whisk 1/2 cup of the hot chocolate mixture into the egg yolks.
  • Repeat with 1 cup of the chocolate mixture, then return the chocolate and egg mixture to the saucepan.
  • Boil over medium heat for 1 minute, stirring constantly.
  • Remove the pan from the heat and stir in the remaining 2 tablespoons of butter and the vanilla extract.
  • Pour the filling into the pie shell and allow it to cool at least 15 minutes, or chill it in the refrigerator overnight.
  • Just before serving, heat the oven to broil.
  • Cover the pie with the mini marshmallows and broil it on the uppermost rack for about 30 seconds or until the marshmallows are lightly browned.
  • (Watch carefully, or the marshmallows will burn.)
  • Serve warm or chilled.