Go Back
Mississippi Mud Pie: Rich Chocolate Dessert with Oreo Crust

Authentic Mississippi Mud Pie

Prep Time 45 minutes
Cook Time 30 minutes
Chill Time 3 hours
Total Time 4 hours
Course Dessert
Cuisine Southern American
Servings 10 Slices

Ingredients
  

For the Oreo Crust:

  • 24 Oreo cookies about 2½ cups crumbs
  • 5 tablespoons unsalted butter melted

For the Brownie Layer:

  • ½ cup unsalted butter
  • 4 oz dark chocolate 70% cocoa, chopped
  • ¼ cup unsweetened Dutch-processed cocoa powder
  • ¾ cup granulated sugar
  • ¼ cup light brown sugar packed
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ cup all-purpose flour
  • ¼ teaspoon salt

For the Chocolate Pudding Layer:

  • ¾ cup granulated sugar
  • cup unsweetened Dutch-processed cocoa powder
  • ¼ cup cornstarch
  • ¼ teaspoon salt
  • cups heavy cream
  • 4 oz dark chocolate 70% cocoa, chopped
  • 1 teaspoon vanilla extract

For the Topping:

  • 1 cup marshmallow fluff or 1½ cups mini marshmallows
  • cups heavy cream
  • 2 tablespoons powdered sugar
  • 1 teaspoon vanilla extract
  • ½ cup chopped pecans or chocolate shavings optional

Instructions
 

  • Crust: Process Oreos into crumbs, mix with melted butter, press into 9-inch pie dish, bake at 350°F for 8-10 minutes, cool.
  • Brownie Layer: Brown butter, melt with chocolate, mix in sugars, cocoa, eggs, vanilla, flour, salt; pour into crust, bake 20-25 minutes, cool.
  • Pudding Layer: Whisk sugar, cocoa, cornstarch, salt, cream; cook until thick, add chocolate and vanilla, pour over brownie, chill 2 hours.
  • Marshmallow Layer: Spread fluff or marshmallows, toast lightly with broiler or torch.
  • Whipped Cream: Whip cream, sugar, vanilla to soft peaks, spread over marshmallow, add optional toppings.
  • Chill: Refrigerate 1 hour, slice, and serve.

Notes

For detailed step-by-step instructions, check out the full recipe above.

Equipment Needed

⚠ Note: Some of the links above are affiliate links. If you click and purchase, I may earn a small commission—at no extra cost to you. Thank you for your support!