As the holiday season approaches, nothing brings warmth and cheer quite like the aroma of something sweet baking in the oven. Enter the Dark Chocolate Peppermint Mousse Tart—a festive showstopper that combines rich chocolate decadence with a refreshing minty twist. This dessert is a true crowd-pleaser, perfect for those family gatherings when you want to impress without spending hours in the kitchen. What’s more, this indulgent tart features a simple chocolate graham cracker crust and a light, airy mousse filling that’s deceptively easy to whip up. Make the crust and mousse the day before, and you have a stress-free dessert ready to dazzle! Are you ready to dive into a slice of holiday bliss? Let’s get started!

What makes this tart unforgettable?
Irresistible combination: The luscious dark chocolate and invigorating peppermint flavors create a delightful balance that’s both festive and satisfying.
Easy to make: With just a few straightforward steps, even beginner bakers can master this impressive dessert.
Versatile options: Want to cater to gluten-free friends? Try an Oreo crust for a delicious alternative!
Immediate crowd-pleaser: This tart is bound to steal the show at any holiday gathering.
Make-ahead wonder: Prepare it the night before for a hassle-free dessert that’s ready when you are! Enjoy the elegance of this Dark Chocolate Peppermint Mousse Tart and impress your guests, effortlessly.
Dark Chocolate Peppermint Mousse Tart Ingredients
• Get ready to create the perfect holiday dessert with this delightful mix!
For the Crust
- Chocolate Graham Crackers – Provides a rich chocolate flavor for the crust; Oreos can be used as a tasty substitute.
- Melted Butter – Binds the crust ingredients together, giving it a cohesive and delicious base.
- Sugar – Adds just the right amount of sweetness to balance the rich flavors.
For the Mousse
- Unflavored Gelatin – Helps the mousse set; if needed, agar-agar can be used as an alternative.
- Cold Water – Activates the gelatin for perfect mousse consistency.
- White Chocolate Chips – Adds sweetness and creaminess to the luscious mousse.
- Milk/Half-and-Half/Cream – Enhances the creaminess; feel free to use dairy alternatives based on your preference.
- Powdered Sugar – Sweetens the whipped cream for an extra fluffy mousse.
- Heavy Whipping Cream – Creates the light and airy structure that’s essential in the mousse.
- Pure Peppermint Oil – Infuses the mousse with a refreshing mint flavor; adjust quantity if using peppermint extract instead.
For the Glaze
- Heavy Whipping Cream (for glaze) – Provides a creamy base to create a perfect chocolate glaze.
- Bittersweet or Dark Chocolate – Offers a rich flavor; choose high-quality chocolate (70% cocoa is recommended) for the best results.
- Light Corn Syrup – Gives a lovely shine to the chocolate glaze for an elegant finish.
- Very Warm Water – Thins the ganache to achieve the perfect consistency for pouring.
Now you’re all set to create this irresistible Dark Chocolate Peppermint Mousse Tart! Enjoy the delightful journey of baking this heavenly dessert.
Step‑by‑Step Instructions for Dark Chocolate Peppermint Mousse Tart
Step 1: Make the Crust
Preheat your oven to 350°F (175°C). In a mixing bowl, combine the finely ground chocolate graham crackers, melted butter, and sugar until well mixed. Press this mixture firmly into the bottom and up the sides of a 9.5-inch tart pan, ensuring an even layer. Bake the crust for 10 minutes, then set it aside to cool on a wire rack until completely cool.
Step 2: Prepare the Gelatin
In a small bowl, sprinkle the unflavored gelatin over the cold water and let it bloom for about 5 minutes. After blooming, heat the mixture gently until the gelatin fully dissolves, which you can achieve by placing it in a microwave for 10-second intervals or on a stovetop over low heat.
Step 3: Melt the White Chocolate
In a separate microwave-safe bowl, add the white chocolate chips. Melt the chocolate in 30-second intervals, stirring after each, until the chocolate is completely smooth. While melting, heat the milk in a saucepan until steaming, but do not allow it to boil. Once heated, combine the hot milk with the melted white chocolate and stir in the dissolved gelatin along with the peppermint oil.
Step 4: Whip the Heavy Cream
In a large mixing bowl, whip the heavy whipping cream with powdered sugar using a hand mixer or stand mixer. Beat until medium-stiff peaks form, which will give your mousse a light and airy texture. Be careful not to overmix, as this can lead to a grainy consistency.
Step 5: Fold in the Whipped Cream
Gently fold one-third of the whipped cream into the chocolate mixture to lighten it. Then, carefully fold in the remaining whipped cream until no streaks remain, ensuring the mousse maintains its fluffy texture. This mixture is essential for your Dark Chocolate Peppermint Mousse filling.
Step 6: Assemble the Tart
Spoon the airy mousse evenly into the cooled crust, smoothing the top with a spatula. Cover the tart with plastic wrap and refrigerate for at least several hours or overnight, allowing the mousse to set properly and develop its flavors.
Step 7: Create the Dark Chocolate Glaze
To create the chocolate glaze, heat the heavy whipping cream in a saucepan just until boiling. Immediately remove it from heat and stir in the bittersweet or dark chocolate until smooth and glossy. Mix in the light corn syrup and warm water to achieve the desired consistency for pouring.
Step 8: Glaze the Tart
Once the mousse has set, carefully pour the dark chocolate glaze over the tart, tilting it gently to ensure even coverage. Let the tart sit at room temperature for about 1 hour, allowing the glaze to set and giving it that beautiful shine so characteristic of a delicious Dark Chocolate Peppermint Mousse Tart.

What to Serve with Dark Chocolate Peppermint Mousse Tart
As you prepare to indulge in this decadent dessert, complement its rich and minty flavors with delightful additions to create a complete holiday feast.
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Whipped Cream: A dollop of freshly whipped cream enhances the tart’s luxurious texture while adding a lightness that pairs beautifully with the mousse.
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Crushed Candy Canes: Sprinkle these festive bits atop each slice for a pop of color and a satisfying crunch that echoes the peppermint flavor.
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Fresh Berries: Raspberries or strawberries bring a burst of tartness, beautifully contrasting the sweet and creamy mousse.
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Chocolate Covered Pretzels: Their salty crunch adds a wonderful dimension of flavor that balances the sweetness of the tart.
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Coffee or Espresso: Serve alongside a warm cup of coffee or espresso to elevate the chocolate experience, creating a delightful after-dinner treat.
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Mint Tea: A refreshing mint tea perfectly complements the peppermint in the mousse, making for a soothing and aromatic pairing.
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Cheesecake Bites: Small, rich bites of cheesecake offer a creamy texture to contrast with the tart’s light mousse, enhancing the overall dessert experience.
Every bite of this Dark Chocolate Peppermint Mousse Tart will be even more delightful surrounded by these thoughtful pairings!
Make Ahead Options
This Dark Chocolate Peppermint Mousse Tart is a fantastic option for busy home cooks looking to save time! You can prepare the chocolate graham cracker crust up to 24 hours in advance; just make sure to keep it tightly wrapped at room temperature to maintain its crispness. The mousse can also be made ahead—just spoon it into the cooled crust and refrigerate for up to 3 days. To keep that rich texture and flavor, be sure to cover it well with plastic wrap. On the day of serving, simply prepare the glossy dark chocolate glaze and pour it over the set mousse to achieve a beautiful finish. This makes for an effortlessly elegant dessert that’s just as delicious, leaving you more time to enjoy the festivities!
How to Store and Freeze Dark Chocolate Peppermint Mousse Tart
Fridge: Refrigerate the tart for up to 3-4 days. Cover it with plastic wrap or store in an airtight container to maintain moisture and prevent odors from affecting its delicate flavor.
Freezer: For longer storage, freeze the tart for up to 2 months. Slice it first for easy serving later. Wrap each piece tightly in plastic wrap, then place in a freezer-safe container.
Thawing: When ready to serve, thaw the tart in the refrigerator overnight. Allow it to come to room temperature before serving to enjoy the full flavor of the Dark Chocolate Peppermint Mousse Tart.
Reheating: It’s not necessary to reheat this tart; serve chilled or at room temperature for a refreshing dessert experience.
Dark Chocolate Peppermint Mousse Tart Variations
Feel free to make this delightful dessert your own with these fun and easy swaps and additions!
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Gluten-Free: Use gluten-free chocolate cookies or a mixture of gluten-free graham crackers to create a crunch that’s just as satisfying.
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Mint Variants: Personalize the mint flavor by using different peppermint oils or even spearmint oil for a unique twist. A little experimentation can lead to surprises!
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Decoration Options: Top with crushed candy canes, fresh mint leaves, or seasonal sprinkles for a festive touch that not only looks beautiful but also enhances the playful festive vibe of your tart.
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Dairy-Free: For a dairy-free adaptation, substitute heavy cream with coconut cream and use dairy-free white chocolate chips, making sure it’s a perfect dessert for all.
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Flavor Boost: Add a splash of vanilla extract to the mousse for an extra dimension of flavor. Vanilla complements both chocolate and peppermint beautifully.
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Spicy Kick: Try adding a pinch of cayenne pepper or instant espresso powder to the mousse for a surprising flavor explosion that deepens the chocolate experience!
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Chocolate Variations: Experiment with white chocolate mousse or mix in some caramel sauce for the glaze instead of dark chocolate for a sweeter twist!
For even more inspiration, consider pairing your Dark Chocolate Peppermint Mousse Tart with homemade whipped cream or a scoop of vanilla ice cream as an indulgent finish. Enjoy customizing this festive treat!
Expert Tips for Dark Chocolate Peppermint Mousse Tart
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Choose Quality Chocolate: Opt for high-quality bittersweet or dark chocolate (preferably 70% cocoa) to ensure a rich, flavorful glaze.
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Gelatin Care: Always fully dissolve the gelatin in cold water first; this prevents lumps in your mousse for a smooth texture.
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Whip with Care: When whipping the cream, stop at medium-stiff peaks to avoid overmixing. The right texture is key for that light mousse!
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Chill Time: Allow the tart to set overnight if possible. This deepens the flavors and enhances the mousse’s heavenly texture.
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Serving Tip: For an elegant presentation, serve slices with a dollop of whipped cream and a sprinkle of crushed candy canes for added festivity!

Dark Chocolate Peppermint Mousse Tart Recipe FAQs
How do I select the best chocolate graham crackers for the crust?
Absolutely! Look for chocolate graham crackers that are crisp and have a rich cocoa flavor. Check the packaging for the ingredients; aim for ones with real cocoa instead of artificial flavors. If you can’t find chocolate graham crackers, an Oreo crust makes a delicious substitute.
What’s the best way to store my Dark Chocolate Peppermint Mousse Tart?
To preserve its freshness, refrigerate the tart in an airtight container for up to 3-4 days. Be sure to cover it well with plastic wrap to maintain its moisture and prevent it from absorbing other odors, ensuring that rich chocolate and mint flavor stays intact!
Can I freeze the Dark Chocolate Peppermint Mousse Tart?
Yes, you can! For excellent results, slice the tart first. Wrap each slice tightly in plastic wrap and then place them in a freezer-safe container. The tart can be frozen for up to 2 months. When you’re ready to enjoy, thaw the slices overnight in the refrigerator, then bring them to room temperature before serving for the best taste.
What can I do if my mousse turns out too runny?
If your mousse isn’t setting, it’s likely due to the gelatin not having bloomed properly. Ensure that you’re letting the gelatin sit in cold water for about 5 minutes before adding it to the mixture. If you’ve already made the mousse, try chilling it longer in the refrigerator, as this extra time often helps it set up.
Are there any dietary considerations for this recipe?
Very! If you’re catering to gluten-free friends, substitutes like gluten-free Oreos or a mix of gluten-free cookies for the crust work beautifully. For dairy-free options, you can use non-dairy milk and cream alternatives in the mousse. Just make sure to choose ingredients that align with their dietary needs.
Can my pets have any part of the Dark Chocolate Peppermint Mousse Tart?
Definitely not! Chocolate is toxic to pets, especially dogs and cats, due to the presence of theobromine. Ensure that you store this tart out of their reach and educate guests not to share any dessert with furry friends. Your pets will be much safer without any chocolatey treats!

Decadent Dark Chocolate Peppermint Mousse Tart to Impress
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C). In a mixing bowl, combine the finely ground chocolate graham crackers, melted butter, and sugar until well mixed. Press this mixture firmly into the bottom and up the sides of a tart pan. Bake for 10 minutes, then cool on a wire rack.
- In a small bowl, sprinkle the unflavored gelatin over the cold water and let it bloom for about 5 minutes. Heat gently until dissolved.
- Melt the white chocolate chips in a microwave-safe bowl in 30-second intervals, stirring until smooth. Heat the milk until steaming and combine with the melted chocolate and dissolved gelatin.
- Whip the heavy whipping cream with powdered sugar until medium-stiff peaks form.
- Fold one-third of the whipped cream into the chocolate mixture to lighten it, then fold in the remaining whipped cream until no streaks remain.
- Spoon the mousse into the cooled crust and refrigerate for several hours or overnight.
- To make the glaze, heat the heavy whipping cream until boiling, remove from heat and stir in chocolate until smooth. Mix in corn syrup and warm water.
- Pour the glaze over the tart and let set for an hour.

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