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Ultimate Mississippi Mud Pie

Recipe by
1.5 hours plus 6+ hours chill time
Prep: 30 minutes | Cook: 45 minutes | Servings: 8-10



  • 16 ounces whole (cream included) chocolate sandwich cookies (35-40 cookies) such as Oreos, crushed
  • 5 tablespoons unsalted butter, melted

Flourless Chocolate Cake:

  • 4 tablespoons unsalted butter
  • 6 ounces 72% dark chocolate, chopped
  • 2 tablespoons plus 1 teaspoon instant espresso powder
  • ¼ cup espresso coffee, at room temperature
  • ¼ teaspoon salt
  • 1 tablespoon vanilla extract
  • 6 eggs, separated, at room temperature
  • 1 cup sugar

Chocolate Pudding:

  • ¾ cup sugar
  • ½ cup unsweetened cocoa powder
  • ¼ cup cornstarch
  • ¼ teaspoon salt
  • 4 egg yolks
  • 2½ cups milk
  • 3 tablespoons unsalted butter
  • 2 teaspoons pure vanilla extract
  • 3 ounces 72% dark chocolate


To Make Crust:

  1. Preheat oven to 300 °F. Spray a 9-inch springform pan with nonstick cooking spray.
  2. In a food processor, turn cookies into a very fine crumb; you should have about 3 ½ cups. Put crumbs in a small bowl. Pour melted butter over crumbs and mix with a spatula until well combined.
  3. Press crumb mixture into bottom and sides of prepared pan, leaving about ½ inch between top of crust and top of pan. Smooth evenly with the back of a spoon.
    Let crust set in freezer for 10 minutes. Bake in oven for about 10 minutes. Cool.

To Make Flourless Chocolate Cake:

  1. Increase oven temperature to 350 °F. Over a double boiler, melt butter and chocolate together. Set aside to cool.
  2. In a small bowl, whisk together espresso powder, coffee, salt, and vanilla. Set aside.
  3. In the bowl of a standing mixer fitted with a whisk attachment, beat the egg yolks with 1/2 cup of the sugar until mixture is light and almost doubled in volume, about 5 minutes. Add chocolate mixture and beat until just combined. Scrape down sides and bottom of bowl; mix on low for 5 seconds. Add coffee mixture and beat until just combined. Scrape down sides and bottom of bowl; mix on low for 5 seconds.
  4. In a clean bowl with a whisk attachment or electric mixer, beat the egg whites until foamy. Gradually increase speed to high and add remaining ½ cup sugar, beating until soft peaks form.
  5. Scoop 1 cup of the egg whites into chocolate mixture. Use a rubber spatula to gently fold in egg whites. After about 30 seconds of folding, add remaining egg whites and continue folding until almost completely combined; work gently and do not overmix.
  6. Pour batter onto cooled cookie crust and bake for 38 to 42 minutes or until cake is set but still jiggles slightly; it may not appear to be completely cooked. Allow to cool completely. Cake will deflate in center and look sunken as it cools. Tightly wrap and refrigerate cake for at least 3 hours or overnight.

To Make Chocolate Pudding:

  1. In a medium saucepan, whisk together sugar, cocoa powder, cornstarch, and salt. Add egg yolks and whisk until combined. Whisking constantly, slowly pour in milk.
    In a saucepan over medium heat, bring mixture to a boil, whisking constantly to prevent burning. Boil for 30 seconds; transfer mixture to a medium bowl.

  2. Add butter, vanilla, and chocolate; whisk until combined. Continue whisking for a few more minutes to slightly cool mixture. Let pudding stand for 15 minutes at room temperature. Press a piece of plastic wrap directly onto pudding’s surface to prevent a skin from forming. Chill for at least 3 hours.

To Assemble Pie:

  1. Stir pudding, then pour it on top of cake, staying inside crust border. Use a spatula to spread pudding into an even layer. Return mud pie to refrigerator for at least 30 minutes.
  2. Decorate with whipped cream if desired.

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