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Indulge in Decadent Dark Chocolate Peppermint Mousse Tart

Published: Dec 14, 2025 by Sierra Lane · This post may contain affiliate links · Leave a Comment

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As I pulled a freshly baked tart from the oven, the rich aroma of dark chocolate enveloped my kitchen, igniting memories of festive gatherings. That’s when I knew it was time to create something truly special: a Dark Chocolate Peppermint Mousse Tart. This delightful dessert not only brings a luxurious touch to any holiday table but also features an irresistible creamy mousse that makes every bite a moment to cherish. With its easy prep and impressive presentation, you'll find it’s the perfect indulgence for both seasoned chefs and kitchen novices alike. Plus, the balance of chocolate and peppermint adds a refreshing twist that’s sure to spark joy in your heart. Are you ready to whip up this showstopper and impress your loved ones?

Dark Chocolate Peppermint Mousse Tart

Why is this tart a festive favorite?

Irresistible Flavor: This Dark Chocolate Peppermint Mousse Tart perfectly balances rich chocolate with refreshing peppermint for a taste sensation that is purely festive.

Effortless Elegance: With just a bit of intermediate skill, you can create an impressive dessert that looks as stunning as it tastes—perfect for holiday celebrations.

Crowd-Pleasing Treat: Anyone can appreciate the combination of creamy mousse and crunchy cookie crust, making it a guaranteed hit at gatherings.

Versatile Delight: Whether for a holiday feast or a cozy dinner, this tart fits right in, offering an exquisite dessert that complements any occasion.

Easy Prep: Prepare the mousse in less than 30 minutes, then chill for a few hours—this recipe saves you time while delivering big on flavor!

Garnish to Impress: Top with whipped cream and crushed peppermint for a beautiful finish that’s sure to wow your guests. For more festive ideas, check out this peppermint dessert collection.

Dark Chocolate Peppermint Mousse Tart Ingredients

For the Crust
• Chocolate cookie crumbs – these provide a delightful, crunchy base that contrasts wonderfully with the smooth mousse.
• Unsalted butter – ensures the crust holds together while adding richness to the flavor.
• Granulated sugar – sweetens the crust just right, balancing the deep chocolate flavor.

For the Mousse
• Dark chocolate (70% cacao or higher) – the backbone of this dessert, create a deep and decadent flavor profile.
• Heavy whipping cream – whipped into light peaks, it makes the mousse airy and luxurious.
• Peppermint extract – just a touch brings that festive twist to elevate the chocolate experience.
• Egg whites – they add volume and lightness to the mousse, making it wonderfully fluffy.
• Pinch of salt – enhances the sweetness of the chocolate, bringing out its fuller flavor.

For Garnishing
• Whipped cream – adds a creamy contrast and a touch of elegance to the final presentation.
• Crushed peppermint candies – these not only add color but provide a delightful crunch and a burst of minty flavor.
• Shaved chocolate or chocolate curls – serve as a stunning decoration, showcasing the allure of the dark chocolate peppermint mousse tart.

Step‑by‑Step Instructions for Dark Chocolate Peppermint Mousse Tart

Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). This step is crucial for ensuring your tart crust bakes evenly, achieving a lovely golden color. While the oven is warming up, gather your ingredients and prepare your tart pan for the next step.

Step 2: Make the Crust
In a medium bowl, mix together the chocolate cookie crumbs, melted unsalted butter, and granulated sugar until the mixture resembles damp sand. Use a spatula to make sure all crumbs are well-coated, as this helps create a sturdy crust for the Dark Chocolate Peppermint Mousse Tart.

Step 3: Press the Crust into the Pan
Once combined, press the chocolate cookie mixture firmly and evenly into the bottom and up the sides of a 9-inch tart pan. Use your fingers or the bottom of a glass for an even finish. Bake the crust for 10 minutes until it's set, then allow it to cool completely before adding the mousse.

Step 4: Melt the Dark Chocolate
In a microwave-safe bowl, combine the chopped dark chocolate and heat it in 30-second intervals, stirring in between until completely smooth. This step can take about 1 to 2 minutes. Once melted, set it aside to cool slightly; this will prevent the chocolate from seizing when combined with other ingredients.

Step 5: Whip the Cream
Take 1 cup of heavy whipping cream and use a hand mixer to whip it in a separate bowl. Beat until soft peaks form, which should take about 1-2 minutes. This light and airy whipped cream will add a luxurious texture to the mousse once folded into the chocolate.

Step 6: Combine Chocolate and Cream
Gently fold the whipped cream into the cooled melted dark chocolate using a spatula. Be careful to avoid deflating the whipped cream; you want the mousse to remain airy and light. Continue folding until the mixture is smooth and uniform, with no streaks visible.

Step 7: Beat the Egg Whites
In another clean bowl, beat the egg whites with a pinch of salt until medium peaks form, which can take about 3-4 minutes. Gradually add in the ¼ cup of granulated sugar while beating until stiff peaks develop. This process ensures that the mousse achieves a fluffy, voluminous texture.

Step 8: Fold in the Egg Whites
Gently fold the beaten egg whites into the chocolate mixture in two additions. Use a sweeping motion with your spatula to combine without losing air; the goal is to achieve a light and airy mousse for the Dark Chocolate Peppermint Mousse Tart.

Step 9: Add the Peppermint
Pour the peppermint extract into the chocolate mousse mixture and gently fold until evenly incorporated. The peppermint will add a festive flavor that elevates this dessert. Be sure not to overmix, as you want that light texture to remain.

Step 10: Fill the Tart Shell
Spoon the mousse into the cooled tart shell, smoothing the top with a spatula. Make sure it is evenly distributed for a beautiful presentation. This is the moment where your Dark Chocolate Peppermint Mousse Tart really starts to come together!

Step 11: Chill the Tart
Cover the tart with plastic wrap and refrigerate for at least 4 hours, or until the mousse is set. This chilling time allows the flavors to meld and the texture to firm up, giving you a delightful dessert when you slice into it.

Step 12: Garnish and Serve
Before serving, whip the remaining 1 cup of heavy cream to soft peaks and spread it evenly over the top of the tart. Garnish with crushed peppermint candies and chocolate shavings for a festive touch. This final step will not only enhance the tart’s visual appeal but will also add delicious textures and flavors!

Dark Chocolate Peppermint Mousse Tart

Expert Tips for Dark Chocolate Peppermint Mousse Tart

Room Temperature Ingredients: Make sure your eggs and cream are at room temperature for optimal mixing; this helps achieve a lighter mousse texture.

Proper Chilling: Allow the tart to chill for at least 4 hours. This not only sets the mousse but also helps the flavors meld beautifully, enhancing your Dark Chocolate Peppermint Mousse Tart.

Gentle Folding: When combining the whipped cream and egg whites into the chocolate mixture, use a gentle folding technique. This keeps the mousse airy and fluffy, essential for a delightful dessert.

Avoid Overmixing: Make sure to stop mixing as soon as there are no streaks in the chocolate mousse. Overmixing can deflate the light texture you worked hard to create.

Crust Bake Time: Keep an eye on your crust while baking. If it starts to get too dark, it may become overly crunchy instead of a soft contrast to the mousse.

Garnish Generously: Don’t skimp on garnishes! Whipped cream, crushed peppermint, and chocolate curls not only look stunning but also add textures that make each bite unforgettable.

Make Ahead Options

These Dark Chocolate Peppermint Mousse Tarts are a fantastic choice for meal prep, saving you time on busy days! You can prepare the chocolate cookie crust up to 3 days in advance; simply keep it tightly covered at room temperature to maintain its crunch. The mousse can also be made and stored in the chilled tart shell up to 24 hours ahead. Just cover it well with plastic wrap to prevent it from absorbing any odors from your refrigerator. When you’re ready to serve, finish by whipping the remaining heavy cream, spreading it atop, and garnishing with crushed peppermint candies and chocolate shavings for that delightful finishing touch. This way, you’ll have a stunning, festive dessert ready with minimal effort!

How to Store and Freeze Dark Chocolate Peppermint Mousse Tart

Fridge: Store the tart in an airtight container in the refrigerator for up to 3 days. This helps maintain the mousse's fluffy texture and the crust's integrity.

Freezer: If you want to freeze the tart, wrap it tightly in plastic wrap and then aluminum foil. It can last up to 2 months in the freezer. Thaw it in the fridge overnight before serving.

Reheating: There’s no need to reheat this dessert! Enjoy the tart chilled for the best flavor and texture. Just add garnishes before serving for an appealing look.

Leftover Cream: If you have leftover whipped cream, store it in a sealed container in the fridge for 1–2 days, and give it a quick whip before using.

Dark Chocolate Peppermint Mousse Tart Variations

There are endless ways to make this delightful tart your own—let your creative culinary spirit shine!

  • Gluten-Free: Swap chocolate cookie crumbs for gluten-free alternatives to cater to dietary needs without sacrificing flavor.

  • Mint Chocolate Chip: Add mini chocolate chips to the mousse for an exciting texture that enhances the minty goodness.

  • Nutty Crunch: Incorporate finely chopped nuts like almonds or hazelnuts into the crust for an added crunch and deeper flavor profile.

  • Peppermint Candy Swirl: Fold crushed peppermint candies into the mousse for delightful bursts of flavor and texture in each bite—truly festive and fun!

  • Vegan Delight: Replace dairy with coconut cream and use a vegan chocolate to create a vegan version that's just as indulgent.

  • Spice It Up: Add a pinch of cinnamon or a dash of cayenne to the mousse, creating a warm spice twist that harmonizes beautifully with chocolate.

  • Fruity Topping: Instead of traditional garnishes, top with fresh berries like raspberries or strawberries for a tangy contrast that brightens the dessert.

  • Caramel Drizzle: Drizzle with homemade or store-bought caramel sauce before serving for a sweet, decadent touch that pairs perfectly with chocolate.

With these variations, your Dark Chocolate Peppermint Mousse Tart will not only be a hit but also truly reflect your unique taste. For more delicious variations and festive ideas, consider exploring this peppermint dessert collection or check out how to make a rich vegan chocolate mousse for those special dietary occasions. Enjoy the adventure in your kitchen!

What to Serve with Dark Chocolate Peppermint Mousse Tart

Bring your festive gathering to life with delightful side dishes that resonate with the decadence of this tart.

  • Rich Coffee: A robust cup of coffee cuts through the sweetness, enhancing the complex flavors of the dark chocolate while providing a lovely contrast.

  • Peppermint Hot Chocolate: For those who can't get enough of that peppermint goodness, this drink takes comfort to the next level, pairing beautifully with the mousse tart.

  • Vanilla Ice Cream: The creamy, cool texture of vanilla ice cream is an excellent companion, creating a luscious mouthfeel that elevates each rich bite of the tart.

  • Fresh Berries: Raspberries or strawberries add a refreshing tanginess that complements the chocolate and balances the sweetness, creating a vibrant plate.

  • Chocolate Ganache Brownies: Serve these fudgy brownies as a playful twist on the chocolate theme; their dense texture pairs fabulously with the lightness of the mousse.

  • Charming Cheese Board: A selection of tangy goat cheese, aged cheddar, and salty nuts offers a delightful savory contrast to the tart’s sweetness, engaging various palates at your gathering.

  • Festive Fruit Tart: Serve alongside fresh fruit tarts for a burst of color and variety—juicy fruits can refresh the palate while celebrating seasonal flavors.

  • Affogato: A scoop of vanilla gelato topped with a shot of espresso is a delightful finish, blending flavors and temperatures for a sophisticated dessert experience.

  • Holiday Spritz Cookies: These buttery, melt-in-your-mouth cookies bring a nostalgic holiday flavor that feels as festive as the dessert itself.

  • Sparkling Cranberry Mocktail: A bubbly, fruity drink can be a fabulous pairing, combining tartness and sweetness in a refreshing sipper that complements the rich dessert.

Dark Chocolate Peppermint Mousse Tart

Dark Chocolate Peppermint Mousse Tart Recipe FAQs

How do I select the best dark chocolate for this recipe?
Absolutely! Look for dark chocolate with at least 70% cacao content, as it provides a rich, deep flavor that's essential for the mousse. Check the packaging for subtle notes like fruity or nutty undertones, which can complement the peppermint beautifully.

How long can I store the Dark Chocolate Peppermint Mousse Tart?
You can keep the tart in an airtight container in the refrigerator for up to 3 days. This ensures that the mousse stays fluffy and the crust remains intact. Just make sure to cover it well to avoid any unwanted fridge odors.

Can I freeze the Dark Chocolate Peppermint Mousse Tart?
Yes, you can! To freeze, tightly wrap the tart in plastic wrap and then in aluminum foil to prevent freezer burn. It should last for up to 2 months. When you're ready to enjoy it, simply thaw the tart in the fridge overnight for the best texture and flavor.

What should I do if the mousse doesn’t set properly?
If your mousse doesn’t seem to set after chilling for the recommended 4 hours, don’t fret! This could be due to under-whipping the cream or egg whites. To fix this, you could add a bit of gelatin (2 teaspoons) dissolved in hot water to the mixture and fold it in gently. Then, reset the tart in the fridge for an extra hour.

Are there any dietary considerations for this dessert?
Great question! This recipe contains eggs, dairy, and refined sugar, which may not be suitable for vegans or those with certain allergies. Always check for potential allergens if serving to guests, and feel free to substitute the egg whites with aquafaba (the liquid from canned chickpeas) for a vegan version, though it may alter the texture slightly.

How can I prevent my crust from becoming too hard?
To keep your crust from becoming overly hard, ensure you’re not baking it for more than the recommended 10 minutes and let it cool completely before adding the mousse. A pinch of salt can also help balance the flavors without compromising texture. If you notice it’s browning too much, quickly cover it with foil while baking!

Dark Chocolate Peppermint Mousse Tart

Indulge in Decadent Dark Chocolate Peppermint Mousse Tart

This Dark Chocolate Peppermint Mousse Tart combines rich chocolate and refreshing peppermint for a festive dessert that’s easy to prepare and impressively elegant.
Print Recipe Pin Recipe
Prep Time 30 minutes mins
Cook Time 10 minutes mins
Chilling Time 4 hours hrs
Total Time 4 hours hrs 40 minutes mins
Course Desserts
Cuisine American
Servings 8 slices
Calories 350 kcal

Equipment

  • 9-inch tart pan
  • mixing bowls
  • Hand mixer
  • Microwave-safe bowl
  • spatula

Ingredients
  

For the Crust

  • 2 cups chocolate cookie crumbs
  • ½ cup unsalted butter melted
  • ¼ cup granulated sugar

For the Mousse

  • 8 oz dark chocolate (70% cacao or higher) chopped
  • 1 cup heavy whipping cream divided
  • 1 teaspoon peppermint extract
  • 3 large egg whites
  • 1 pinch salt

For Garnishing

  • 1 cup whipped cream
  • ½ cup crushed peppermint candies
  • ¼ cup shaved chocolate or chocolate curls

Instructions
 

Step‑by‑Step Instructions

  • Preheat your oven to 350°F (175°C).
    Dark Chocolate Peppermint Mousse Tart
  • In a medium bowl, mix together the chocolate cookie crumbs, melted unsalted butter, and granulated sugar until resembling damp sand.
    Dark Chocolate Peppermint Mousse Tart
  • Press the mixture firmly into a 9-inch tart pan and bake for 10 minutes. Let it cool completely.
    Dark Chocolate Peppermint Mousse Tart
  • Melt the dark chocolate in a microwave-safe bowl using 30-second intervals, stirring until smooth and set aside to cool.
    Dark Chocolate Peppermint Mousse Tart
  • Whip 1 cup of heavy whipping cream until soft peaks form.
    Dark Chocolate Peppermint Mousse Tart
  • Fold the whipped cream into the cooled melted dark chocolate gently until smooth.
    Dark Chocolate Peppermint Mousse Tart
  • Beat the egg whites with a pinch of salt until medium peaks form, adding ¼ cup of granulated sugar until stiff peaks develop.
    Dark Chocolate Peppermint Mousse Tart
  • Fold in the beaten egg whites into the chocolate mixture in two additions..
    Dark Chocolate Peppermint Mousse Tart
  • Add the peppermint extract and gently fold until incorporated.
    Dark Chocolate Peppermint Mousse Tart
  • Spoon the mousse into the cooled tart shell, smoothing the top with a spatula.
    Dark Chocolate Peppermint Mousse Tart
  • Cover the tart and refrigerate for at least 4 hours, or until set.
    Dark Chocolate Peppermint Mousse Tart
  • Whip the remaining 1 cup of heavy cream and spread over the tart. Garnish with crushed peppermint and chocolate shavings.
    Dark Chocolate Peppermint Mousse Tart

Notes

Ensure ingredients are at room temperature for optimal mixing. Avoid overmixing to maintain the mousse’s light texture.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 40gProtein: 5gFat: 20gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 100mgSodium: 200mgPotassium: 200mgFiber: 2gSugar: 25gVitamin A: 200IUCalcium: 30mgIron: 2mg
Keyword chocolate cake, Dark Chocolate Peppermint Mousse Tart, easy recipe, festive dessert, holiday treat, peppermint
Tried this recipe?Let us know how it was!

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About Sierra Lane

Season-obsessed cook sharing quick, produce-packed recipes for everyday meals—straight from my farmers’ market basket to your table.

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