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A tall slice of Mississippi mud pie on a white ceramic plate.
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Mississippi Mud Pie

This Mississippi mud pie has fudgy brownie, cool, creamy chocolate pudding, and whipped cream, all in a crunchy Oreo crust. So decadent!
Prep Time35 minutes
Cook Time35 minutes
Chill Time4 hours
Total Time5 hours 10 minutes
Course: Dessert, Snack
Cuisine: American
Keyword: easy Mississippi mud pie recipe, Mississippi mud pie, Mississippi mud pie recipe, recipe for Mississippi mud pie
Servings: 8 slices
Calories: 959kcal

Ingredients

For the Oreo Crust

  • 24 Oreo cookies (with filling)
  • 5 tablespoons unsalted butter melted

For the Brownie Layer

For the Chocolate Pudding Layer

For the Whipped Cream Layer

  • 1 ½ cups heavy cream
  • 3 tablespoons powdered sugar
  • chocolate shavings optional garnish

Instructions

To Make the Oreo Crust

  • Place the cookies in the bowl of a food processor and grind until fine.
  • Stir in the melted butter and transfer the mixture to an 8-inch by 3-inch springform pan, pressing the crust into an even layer in the bottom and up the sides of the pan.

To Make the Brownie Layer

  • Preheat the oven to 325 degrees F.
  • Place the sugar, butter, and cocoa in a large microwave-safe bowl, and microwave* in one-minute increments, stirring, until the butter is completely melted and the mixture feels very warm to the touch.
  • Add the eggs, one at a time, stirring after each addition.
  • Stir in the vanilla.
  • Stir in the flour, baking powder, and salt.
  • Layer the brownie batter into the Oreo crust. 
  • Bake until the brownie layer is set (approx. 20 to 30 minutes).
  • Cool completely before topping with chocolate pudding.

To Make the Chocolate Pudding Layer

  • Place the sugar, cornstarch, and salt in a medium pot and whisk to combine.
  • Slowly drizzle in the milk and cream, while whisking.
  • Set the pot over medium heat and whisk in the chocolate.
  • Continue to whisk as the mixture comes to a slow bubble.
  • Whisk a ladleful of the hot mixture into the eggs to warm them, then add the egg mixture back to the pot and continue cooking (whisking constantly) until the pudding reaches a low boil and becomes very thick.
  • Remove the pudding from the heat and whisk in the butter and vanilla.
  • Pour the pudding through a mesh strainer over the brownie layer, and chill until very firm (approx. 2 hours or overnight).

To Make the Whipped Cream Layer

  • Whip the cream and powdered sugar together until the mixture can hold soft peaks.
  • Dollop the whipped cream on top of the pie and garnish with chocolate shavings, if desired.

Notes

*This step can also be done over a double boiler.
For more info on the crust, click here: Oreo Crust.
For more info on the brownies, click here: Brownies from Scratch.

Nutrition

Serving: 1slice | Calories: 959kcal | Carbohydrates: 97g | Protein: 12g | Fat: 62g | Saturated Fat: 36g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 16g | Trans Fat: 1g | Cholesterol: 220mg | Sodium: 340mg | Potassium: 439mg | Fiber: 5g | Sugar: 72g | Vitamin A: 1843IU | Vitamin C: 0.5mg | Calcium: 200mg | Iron: 7mg