Quick Recipe Version (TL;DR)

Yield: 10–12 servings
Prep Time: 35 minutes (plus chilling)
Cook Time: 45 minutes
Total Time: 5 hours (including chilling)

Quick Ingredients

2 cups (220 g) chocolate cookie crumbs
13 tbsp (185 g) unsalted butter, melted and divided
1 1/4 cups (250 g) granulated sugar
3 large eggs + 3 large egg yolks (divided)
1/2 cup (60 g) all-purpose flour
3/4 cup (65 g) unsweetened cocoa powder (divided)
1/2 tsp kosher salt (plus pinches)
1/4 tsp espresso powder (optional)
2 1/2 cups (600 ml) whole milk
1 cup (240 ml) heavy cream (for pudding)
1 1/2 cups (360 ml) cold heavy cream (for topping)
4 oz (115 g) bittersweet chocolate, chopped
4 tbsp (32 g) cornstarch
1 cup (120 g) powdered sugar
2 1/2 tsp vanilla extract (divided)
Optional: chocolate curls, cocoa powder, flaky salt, fresh mint

Do This

1. Heat oven to 350°F (175°C). Mix cookie crumbs, 5 tbsp melted butter, 2 tbsp sugar, and a pinch of salt. Press into a 9-inch deep-dish pie plate. Bake 8–10 minutes; cool slightly.
2. For brownie: whisk 6 tbsp melted butter, 3/4 cup sugar, 2 eggs, 1 tsp vanilla, 1/3 cup cocoa, 1/2 cup flour, 1/4 tsp salt, and espresso powder. Spread in crust; bake 18–22 minutes. Cool completely.
3. For pudding: whisk 1/2 cup sugar, 1/3 cup cocoa, cornstarch, 1/4 tsp salt in a saucepan. Whisk in milk and 1 cup cream; cook until thick. Temper 3 yolks, return to pot, cook 1–2 minutes.
4. Off heat, stir in 2 tbsp butter, chopped chocolate, and 1 tsp vanilla until silky. Cool 15–20 minutes, stirring occasionally.
5. Pour warm (not hot) pudding over cooled brownie crust. Cover surface with plastic wrap. Chill at least 4 hours, or until completely set.
6. Whip 1 1/2 cups cold cream, powdered sugar, and 1/2 tsp vanilla to soft peaks. Pile over chilled pie in swoops.
7. Garnish with chocolate curls or cocoa, slice with a hot knife, and serve cold.

Why You’ll Love This Recipe

Four decadent layers: crunchy chocolate cookie crust, dense brownie, silky pudding, and fluffy whipped cream.
Make-ahead friendly dessert that actually tastes better once it has time to chill and set.
Big, dramatic slices that feel special enough for holidays, birthdays, and dinner parties.
Flexible recipe with easy swaps and variations to suit your chocolate level or pantry.

Grocery List

Produce: Fresh mint for garnish (optional).
Dairy: Unsalted butter, whole milk, heavy cream, eggs, egg yolks.
Pantry: Chocolate wafer cookies or chocolate sandwich cookies, granulated sugar, powdered sugar, all-purpose flour, unsweetened cocoa powder, cornstarch, bittersweet chocolate, vanilla extract, kosher salt, espresso powder (optional).

Full Ingredients

Chocolate Cookie Crust

2 cups (about 220 g) finely crushed chocolate wafer cookies or chocolate sandwich cookies
5 tbsp (70 g) unsalted butter, melted
2 tbsp (25 g) granulated sugar
Pinch of kosher salt

Dense Brownie Layer

6 tbsp (85 g) unsalted butter, melted and slightly cooled
3/4 cup (150 g) granulated sugar
2 large eggs, at room temperature
1 tsp vanilla extract
1/3 cup (30 g) unsweetened cocoa powder
1/2 cup (60 g) all-purpose flour, spooned and leveled
1/4 tsp kosher salt
1/4 tsp espresso powder (optional, enhances chocolate flavor)

Silky Chocolate Pudding Layer

1/2 cup (100 g) granulated sugar
1/3 cup (30 g) unsweetened cocoa powder
4 tbsp (32 g) cornstarch
1/4 tsp kosher salt
2 1/2 cups (600 ml) whole milk, at room temperature
1 cup (240 ml) heavy cream
3 large egg yolks, at room temperature
2 tbsp (28 g) unsalted butter, cut into small pieces
4 oz (115 g) bittersweet chocolate (60–70% cacao), finely chopped
1 tsp vanilla extract

Fluffy Whipped Cream Crown

1 1/2 cups (360 ml) cold heavy cream
1 cup (120 g) powdered sugar, sifted
1/2 tsp vanilla extract
Pinch of kosher salt (optional, balances the sweetness)

Optional Garnishes

Chocolate curls or shavings
Light dusting of cocoa powder
Flaky sea salt
Fresh mint leaves

Step-by-Step Instructions

Step 1: Prepare the pan and make the chocolate cookie crust

Preheat your oven to 350°F (175°C). Lightly grease a 9-inch deep-dish pie plate or a 9-inch springform pan. If using a springform, line the bottom with a round of parchment for easier removal.

In a medium bowl, combine the chocolate cookie crumbs, melted butter, granulated sugar, and a pinch of salt. Stir until all crumbs are evenly moistened and look like wet sand. Pour the mixture into the prepared pan and press it firmly into the bottom and up the sides using the bottom of a measuring cup or a flat-bottomed glass. Try to get an even thickness all around.

Bake the crust for 8–10 minutes, just until it looks set and smells toasty. Remove from the oven and let it cool while you prepare the brownie layer. Leave the oven at 350°F (175°C).

Step 2: Mix and bake the dense brownie layer

In a medium bowl, whisk together the melted butter and granulated sugar until glossy and well combined. Add the eggs and vanilla and whisk vigorously for about 1 minute, until the mixture thickens slightly and lightens in color.

Sift in the cocoa powder, flour, salt, and espresso powder (if using). Switch to a spatula and gently fold the dry ingredients into the wet ingredients just until no dry streaks remain. The batter will be thick and fudgy; avoid overmixing to keep the brownie tender.

Spread the brownie batter evenly over the cooled (or slightly warm) crust, smoothing the top with a spatula. Bake for 18–22 minutes, or until the edges are set and a toothpick inserted in the center comes out with moist crumbs but no wet batter. Do not overbake; you want a dense, brownie-like texture.

Place the pie on a wire rack and let the brownie layer cool completely to room temperature before adding the pudding layer. This usually takes 45–60 minutes.

Step 3: Make the chocolate pudding base

In a medium saucepan (off the heat), whisk together the granulated sugar, cocoa powder, cornstarch, and salt until no lumps remain. Gradually whisk in the milk and heavy cream, starting with a small amount to make a smooth paste, then adding the rest while whisking constantly. This helps prevent lumps.

Set the saucepan over medium heat and cook, whisking frequently at first and then constantly as it warms, until the mixture thickens and begins to bubble. This usually takes 7–10 minutes. Once it reaches a gentle boil, cook for 1 minute more, whisking constantly. The mixture should be thick enough to coat the back of a spoon.

Step 4: Finish the pudding with egg yolks and chocolate

In a small bowl, lightly whisk the egg yolks. While whisking the yolks constantly, slowly drizzle in about 1/2 cup of the hot chocolate mixture to temper them. Then pour the yolk mixture back into the saucepan, whisking constantly. Return the pan to medium-low heat and cook for 1–2 minutes, whisking, until the pudding thickens further and just begins to bubble again.

Remove the saucepan from the heat. Add the butter pieces, chopped bittersweet chocolate, and vanilla extract. Let sit for 1 minute to soften, then whisk until completely smooth and glossy. If you see any lumps, you can pass the pudding through a fine-mesh sieve into a clean bowl for an extra silky texture.

Let the pudding cool for 15–20 minutes at room temperature, stirring every few minutes. You want it warm but not hot when it goes onto the brownie layer; this prevents the layers from blending together.

Step 5: Assemble the pie and chill until set

Once the brownie layer is fully cooled and the pudding is warm but no longer steaming, gently pour or ladle the pudding over the brownie in the crust. Use a spatula to smooth the top into an even layer, making sure it reaches all the edges.

Press a sheet of plastic wrap directly onto the surface of the pudding to prevent a skin from forming. Place the pie in the refrigerator and chill until the pudding is completely set and cold, at least 4 hours or up to overnight. The longer chill time makes for cleaner slices and a better meld of flavors.

Step 6: Whip the cream and crown the pie

When you are ready to serve (or up to a few hours before), make the whipped cream. In a large chilled bowl, combine the cold heavy cream, sifted powdered sugar, vanilla extract, and pinch of salt. Using a hand mixer or stand mixer with the whisk attachment, beat on medium-high speed until soft, billowy peaks form. The cream should hold its shape on a spoon but still look smooth and silky, not grainy.

Remove the plastic wrap from the chilled pie. Spoon the whipped cream over the pudding layer, piling it high in big swoops and swirls. You can mound it higher in the center for a dramatic look, or spread it in an even thick blanket across the top.

Step 7: Garnish, slice, and serve

Finish the pie with your favorite garnishes: chocolate curls or shavings, a light dusting of cocoa powder, or a sprinkle of flaky sea salt. A few small mint leaves add a fresh pop of color.

For the cleanest slices, dip a large sharp knife in very hot water, wipe it dry, and cut straight down through the pie, repeating the dip-and-wipe between each cut. Serve the pie well chilled. The contrast of the crunchy crust, dense brownie, silky pudding, and fluffy cream is best when the pie is cold but not rock-hard.

Pro Tips

Use a deep-dish pan: This pie has four generous layers, so a standard shallow pie pan will overflow. A 9-inch deep-dish pie plate or 9-inch springform pan works best.
Cool between layers: Let the brownie cool fully and the pudding cool to warm before assembling. Rushing this step can cause the layers to merge instead of staying distinct.
Whisk the pudding constantly: Continuous whisking while the pudding cooks helps prevent scorching and keeps it ultra-smooth.
Chill thoroughly: The pie needs at least 4 hours in the fridge, but overnight is ideal for the cleanest slices and most developed chocolate flavor.
Sweetness control: Using bittersweet chocolate in the pudding keeps the pie rich and chocolatey without being cloyingly sweet.

Variations

Mocha Mud Pie: Increase the espresso powder to 1 tsp in the brownie layer and add 1 tsp instant espresso to the pudding for a subtle coffee kick.
Nutty Crunch: Sprinkle 1/2 cup toasted chopped pecans or walnuts over the brownie layer before pouring on the pudding for added texture and flavor.
Salted Caramel Swirl: Drizzle 1/3 cup thick salted caramel sauce over the pudding layer before chilling, swirling lightly with a knife for a marbled effect.

Storage & Make-Ahead

This Mississippi Mud Pie is an excellent make-ahead dessert. Assemble the pie through the pudding layer, cover tightly, and refrigerate for up to 2 days before adding the whipped cream. Add the whipped cream topping up to 4–6 hours before serving and keep the pie refrigerated. Leftover pie will keep, covered, in the refrigerator for 3–4 days, though the whipped cream may slowly lose volume over time. For best texture, avoid freezing; the pudding and whipped cream can become grainy once thawed.

Nutrition (per serving)

Approximate values for 1 of 12 servings: 520 calories; 34 g fat; 19 g saturated fat; 60 mg cholesterol; 58 g carbohydrates; 3 g fiber; 40 g sugars; 6 g protein; 260 mg sodium. These values are estimates and will vary based on specific ingredients and portion sizes.

Ultimate Mississippi Mud Pie with Chocolate Cookie Crust