Jump to Recipe Print RecipeAs I sifted through my pantry looking for inspiration, I stumbled upon a forgotten box of Oreo cookies, a catalyst for sweet nostalgia. This led me straight to the heavenly layers of my favorite dessert: Mississippi Mud Pie. Rich and indulgent, this layered treat showcases a fudgy brownie base, silky chocolate mousse, and a crunchy Oreo crumble that promises to delight chocolate lovers everywhere. Not only is this recipe a crowd-pleaser for any gathering, but it also provides the perfect antidote to fast food fatigue with a wholesome homemade touch. While it may take some time to create, the reward of decadent chocolate goodness is absolutely worth every minute spent! Are you ready to dive into the chocolatey layers of bliss that await? Why is Mississippi Mud Pie a must-try? Decadence at Its Finest: This Mississippi Mud Pie is an irresistible chocolate lover’s fantasy, where rich layers of brownies and mousse create an indulgent experience. Crowd-Pleasing Delight: Perfect for parties, it wows guests with its stunning presentation and mouthwatering flavors. Versatile Base Options: Feel free to swap out Oreo cookies for chocolate mint or peanut butter varieties for a unique twist. Time Well Spent: Although it requires some prep time, the joy of savoring every decadent bite is unparalleled—also check out our Key Lime Pie for another fantastic dessert! A Classic With a Twist: Embrace the rich Southern heritage while adding your personal touch—consider experimenting with nuts or different chocolates for more depth! Mississippi Mud Pie Ingredients • Everything you need for chocolate bliss! For the Crust Oreo Cookies – The perfect base for a rich crust; feel free to swap with any chocolate wafer cookies to suit your taste. Sugar – Sweetness is key for balancing flavors; no substitutes are suggested for this classic recipe. Unsalted Butter – Adds richness to the crust; if needed, margarine can serve as a good alternative. For the Brownie Layer Bittersweet Chocolate – Ensures a deep chocolate flavor; semi-sweet chocolate can also be used if preferred. Vegetable Oil – Provides moisture to the brownies; melted coconut oil is a great substitute for a twist. Cocoa Powder – Enhances the chocolate richness; remember to use unsweetened cocoa for the best results! Dark Brown Sugar – Gives sweetness and moisture to the layer; light brown sugar can replace it if you need. Eggs – Essential for structure in the brownie; I recommend no substitutes for ideal texture. Vanilla Extract – Elevates the flavor profile; opt for pure vanilla extract for maximum richness. Salt – Balances the sweetness and enhances overall flavor; don’t skip this important ingredient! All-Purpose Flour – Provides structure; use a 1:1 gluten-free flour mix if you prefer gluten-free. For the Mousse Layer Heavy Cream – Creates a rich, creamy texture for the mousse. Milk Chocolate – Adds depth to the mousse layers; feel free to use darker chocolate for an even richer taste. Powdered Sugar – Lightly sweetens the mousse; avoid substitutions to maintain texture. For the Topping Additional Oreo Cookies – Helps create a delightful crunchy topping; any cookie of your choice can work beautifully! This Mississippi Mud Pie recipe is sure to bring smiles and satisfaction to any gathering. Indulge and enjoy! Step‑by‑Step Instructions for Mississippi Mud Pie Step 1: Prepare the Crust Preheat your oven to 325ºF (163ºC). In a food processor, pulse 16 Oreo cookies into fine crumbs. Combine the Oreo crumbs with melted butter and sugar in a bowl, mixing until well incorporated. Firmly press this mixture into the bottom and up the sides of a 9-inch pie plate. Bake for 15 minutes until set, then allow it to cool completely before adding the brownie layer. Step 2: Make Brownie Layer In a heatproof bowl, melt bittersweet chocolate, butter, and vegetable oil over a simmering pot of water, stirring until smooth. Remove from heat and mix in dark brown sugar, eggs, vanilla extract, cocoa powder, flour, and salt until just combined. Pour the brownie batter into the cooled Oreo crust and bake for 15 minutes. Let it cool at room temperature for 60 minutes before chilling it in the refrigerator for at least 30 minutes. Step 3: Prepare Topping While the brownie layer chills, crush 6 additional Oreo cookies in a bowl. Mix the crushed cookies with sugar, cocoa powder, and melted butter until the texture resembles damp sand. Spread this mixture onto a baking sheet lined with parchment and bake at 325ºF (163ºC) for about 10 minutes, until fragrant. Remove from the oven and allow it to cool completely before adding it on top of the mousse. Step 4: Create Mousse Melt milk chocolate in a heatproof bowl until smooth, then allow it to cool slightly. In a separate bowl, whip heavy cream with cocoa powder, powdered sugar, and a pinch of salt until soft peaks form. Gently fold the whipped cream into the cooled melted chocolate, being careful not to deflate the mixture. Once combined, spread the mousse evenly over the cooled brownie layer, creating a smooth top. Step 5: Top and Chill Once the mousse layer is spread, sprinkle the prepared Oreo crumble topping evenly over the mousse. To ensure the best flavor and texture, cover the pie tightly with plastic wrap. Refrigerate the Mississippi Mud Pie for at least 3-4 hours or ideally overnight. This chilling time allows the flavors to meld together beautifully, resulting in a rich and delightful dessert. Expert Tips for the Best Mississippi Mud Pie Chill Time is Key: Allow the brownie layer to cool completely before adding the mousse to prevent deflation and achieve a perfect texture. Use Quality Chocolate: The bittersweet chocolate in your brownie layer significantly impacts flavor; opt for high-quality chocolate for the richest taste. Don’t Rush the Layers: Each layer’s cooling time is crucial—respect these steps for a dessert that doesn’t just look good but tastes heavenly! Temperature Check: Use an instant-read thermometer when melting chocolate to avoid overheating, which can compromise the fluffiness of your mousse layer. Prep Ahead: For optimal taste, prepare this Mississippi Mud Pie a day in advance, letting it chill overnight for the best flavor and texture. Make Ahead Options These Mississippi Mud Pie layers are perfect for meal prep enthusiasts! You can prepare the crust and brownie layer up to 1 day in advance, letting them cool completely before assembling. Store the brownie in the refrigerator to maintain its fudgy texture. Additionally, the mousse can be made up to 24 hours ahead; simply refrigerate it after incorporating the cream, ensuring it remains fluffy. For the topping, make your Oreo crumble ahead of time and store it in an airtight container for up to 3 days. When it’s time to serve, assemble your layers by adding the mousse on top of the brownie, followed by the topping, and let the pie chill for at least 3-4 hours for the best flavor—making this indulgent treat just as delicious while saving you precious time! Mississippi Mud Pie Variations Feel free to get creative with your Mississippi Mud Pie and tailor it to your taste buds! Flavorful Cookie Swap: Use chocolate mint or peanut butter cookies for a uniquely flavored Oreo crust. Rich Chocolate Upgrade: Substitute semi-sweet chocolate for bittersweet in the brownie layer for a creamier texture. Nutty Addition: Fold in chopped pecans or walnuts into the brownie layer for a delightful crunch. Creamy Coconut Twist: Replace vegetable oil with melted coconut oil for an exotic flair and added moisture. Decadent Gourmet Touch: Drizzle some caramel or fudge sauce over the mousse layer before adding the cookie topping for an indulgent finish. Fruit Infusion: Add a layer of raspberry puree beneath the mousse for a tangy contrast that elevates the chocolate richness. Gluten-Free Option: Swap all-purpose flour with a gluten-free 1:1 flour blend to make this dessert accommodating for everyone. For more delicious options, consider pairing your indulgent creation with a slice of our Amish Peanut Pie or accompany it with a refreshing Key Lime Pie for a delightful dessert spread! What to Serve with Decadent Mississippi Mud Pie? Treat your guests to an unforgettable dining experience by complementing this luscious dessert with delightful pairings. Whipped Cream: The airy lightness of freshly whipped cream enhances each chocolatey bite, adding a creamy touch that beautifully contrasts the rich layers. Vanilla Ice Cream: A scoop of vanilla ice cream brings a cool, creamy element, making each mouthful a symphony of flavors and textures. Chocolate Sauce: Drizzling warm chocolate sauce over a slice elevates the dessert to divine levels; it’s a must for serious chocolate enthusiasts. Fresh Berries: Juicy strawberries or raspberries cut through the sweetness, adding a burst of fresh flavor that brightens the dish. Coffee: A rich cup of coffee seamlessly complements the chocolatey goodness, providing a warming note that enhances dessert enjoyment. Mint Tea: For something refreshing, serve with mint tea. Its herbal essence offers a light finish to the indulgent pie, cleansing the palate beautifully. Chocolate Martini: For a fun twist, pair your slice with a chocolate martini. The cocktail’s rich flavor resonates with the pie, making it a sophisticated pairing. Pecan Pie Bars: The nutty sweetness of pecan pie bars introduces a contrasting flavor while maintaining the dessert theme for a heavenly feast. Fruit Salad: A light fruit salad would contrast beautifully, adding a medley of bright flavors that cleanse the palate after each decadent bite. How to Store and Freeze Mississippi Mud Pie Fridge: Store leftover Mississippi Mud Pie tightly covered in the refrigerator for up to 2 days to maintain its freshness and flavor. Freezer: For longer storage, freeze individual slices wrapped in plastic wrap and then in aluminum foil for up to 1 month. Reheating: Thaw slices overnight in the fridge before enjoying, but avoid reheating to preserve the texture of the mousse and crust. Preventing Sogginess: Adding the crunchy Oreo topping just before serving ensures it stays crisp and delightful throughout your dessert experience. Mississippi Mud Pie Recipe FAQs What type of Oreos should I use for the crust? You can use regular Oreo cookies for a traditional taste, but feel free to experiment with flavored varieties like chocolate mint or peanut butter if you want to add a fun twist to your Mississippi Mud Pie! How should I store leftover Mississippi Mud Pie? Store any leftover pie tightly covered in the refrigerator for up to 2 days. This helps maintain its fresh flavors and creamy texture. Can I freeze Mississippi Mud Pie? Yes! To freeze, wrap individual slices tightly in plastic wrap, then place them in an airtight container or aluminum foil. They can be stored in the freezer for up to 1 month. Just remember to thaw them overnight in the fridge for the best results before enjoying! What should I do if my mousse layer isn’t setting properly? If your mousse isn’t setting, it may be due to the cream not being whipped sufficiently. Make sure to whip the heavy cream until soft peaks form, which usually takes about 2-3 minutes. Also, ensure that the melted chocolate isn’t too warm when folding it into the cream, as excessive heat can deflate the mixture. Why is it important to cool the brownie layer completely? Cooling the brownie layer completely before adding the mousse is essential to prevent the fluffy mousse from deflating. If the brownie is warm, it can cause the mousse to melt and lose its airy texture, resulting in a less-than-perfect Mississippi Mud Pie! Are there any dietary considerations for this recipe? Yes! This recipe contains eggs, dairy, and gluten, which may not be suitable for everyone. For a gluten-free option, substitute all-purpose flour with a 1:1 gluten-free flour mix. Also, make sure to use dairy-free chocolate and cream if you’re accommodating lactose sensitivity or vegan diets. Always check for potential allergies based on your guests. Irresistible Mississippi Mud Pie with Ultimate Oreo Crust This Mississippi Mud Pie is a decadent chocolate dessert featuring layers of brownies and mousse, ideal for any gathering. Print Recipe Pin Recipe Prep Time 30 minutes minsCook Time 50 minutes minsChilling Time 4 hours hrsTotal Time 5 hours hrs 20 minutes mins Servings: 8 slicesCourse: DessertsCuisine: SouthernCalories: 450 Ingredients Equipment Method Nutrition Notes Ingredients 1x2x3x? For the Crust16 cookies Oreo Cookies or any chocolate wafer cookies2 tablespoons Sugar1/2 cup Unsalted Butter meltedFor the Brownie Layer8 ounces Bittersweet Chocolate or semi-sweet chocolate1/2 cup Vegetable Oil or melted coconut oil1/2 cup Cocoa Powder unsweetened1 cup Dark Brown Sugar or light brown sugar3 large Eggs1 teaspoon Vanilla Extract preferably pure1/4 teaspoon Salt1/2 cup All-Purpose Flour or gluten-free flour mixFor the Mousse Layer1 cup Heavy Cream6 ounces Milk Chocolate or darker chocolate1/2 cup Powdered SugarFor the Topping6 cookies Additional Oreo Cookies or any cookie of your choice Equipment OvenFood ProcessorMixing BowlBaking Sheet9-inch pie plateHeatproof Bowl Method Prepare the CrustPreheat your oven to 325ºF (163ºC). In a food processor, pulse 16 Oreo cookies into fine crumbs. Combine the Oreo crumbs with melted butter and sugar, mixing until well incorporated. Press this mixture into the bottom and up the sides of a 9-inch pie plate. Bake for 15 minutes until set, then allow to cool completely.Make Brownie LayerIn a heatproof bowl, melt bittersweet chocolate, butter, and vegetable oil over simmering water, stirring until smooth. Remove from heat, mix dark brown sugar, eggs, vanilla extract, cocoa powder, flour, and salt until just combined. Pour brownie batter into cooled Oreo crust and bake for 15 minutes. Cool at room temperature for 60 minutes, then chill in the refrigerator for at least 30 minutes.Prepare ToppingCrush 6 additional Oreo cookies in a bowl. Mix crushed cookies with sugar, cocoa powder, and melted butter until it resembles damp sand. Spread this mixture on a baking sheet and bake at 325ºF (163ºC) for about 10 minutes. Remove from the oven and allow to cool completely.Create MousseMelt milk chocolate in a heatproof bowl until smooth, allow to cool slightly. In a separate bowl, whip heavy cream with cocoa powder, powdered sugar, and a pinch of salt until soft peaks form. Fold the whipped cream into the cooled melted chocolate. Spread the mousse evenly over the cooled brownie layer.Top and ChillSprinkle the prepared Oreo crumble topping evenly over the mousse. Cover with plastic wrap and refrigerate for at least 3-4 hours or ideally overnight. Nutrition Serving: 1sliceCalories: 450kcalCarbohydrates: 56gProtein: 6gFat: 24gSaturated Fat: 14gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gCholesterol: 75mgSodium: 200mgPotassium: 250mgFiber: 3gSugar: 30gVitamin A: 400IUCalcium: 50mgIron: 2mg NotesChill time is key for the best texture. Use quality chocolate for richer flavor. Prepare a day in advance for optimal taste. Tried this recipe?Let us know how it was!
