Ingredients

  • 1 (12-ounce) bag bittersweet chocolate chips
  • 1 1/2 tablespoons instant espresso powder
  • 2 tablespoons dark rum
  • 1 teaspoon vanilla extract
  • Pinch salt
  • 1/2 cup water
  • 3 eggs, separated
  • 1 cup sugar
  • 1 cup heavy whipping cream
  • 2 packets chocolate cookies, crushed (recommended: Oreo Crisps)
  • Edible flowers, with stems if possible

Method

  • Mix chocolate, espresso powder, rum, vanilla, salt, and 1/2 cup water in a large heatproof bowl.
  • Set over a pot of simmering water and whisk until melted.
  • Set aside.
  • In a separate bowl, using a hand mixer, beat the egg yolks with 1/2 cup of the sugar until you can scrape the bottom of the bowl clean, about 2 minutes.
  • Fold about 1/3 of the chocolate mixture into the yolks with a rubber spatula, then fold the egg mixture into the chocolate remaining in the bowl.
  • Set aside.
  • Wash the beaters and bowl thoroughly and dry them.
  • Whip the egg whites with the remaining 1/2 cup sugar until they hold soft peaks when the beaters are lifted.
  • Fold 1/3 of the whites into the chocolate mixture with a rubber spatula.
  • Once incorporated, fold the remaining whites.
  • In a clean bowl, beat the cream until it holds firm peaks.
  • Fold the cream into the chocolate mixture 1/3 at a time using a rubber spatula.
  • Divide the mousse among 8 dessert cups.
  • Chill at least 2 hours or up to overnight.
  • Put the cookies in a heavy sealable plastic bag.
  • Whack them with a rolling pin to break them up into coarse pieces, then crush them into fine crumbs.
  • Top each dish of mousse with crumbled chocolate cookies to resemble "soil".
  • Finish with edible flowers.
  • Standing them straight up by inserting the stems into the mousse.