🎉 Introduction

This Dark Chocolate Peppermint Mousse Tart is a luxurious and festive dessert perfect for Christmas and winter celebrations. With a crunchy chocolate graham cracker crust, a smooth dark chocolate peppermint mousse filling, and a glossy white chocolate peppermint topping, this tart delivers rich chocolate flavor, cool peppermint freshness, and an elegant holiday look. Despite its sophisticated appearance, the recipe is surprisingly simple and requires no baking of the filling — just melt, mix, and chill.

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🛒 Ingredients

For the Chocolate Crust

• 1 cup Chocolate graham crackers, crushed
• 6 tablespoons Butter, melted
• 1 tablespoon Powdered sugar

For the Dark Chocolate Peppermint Mousse

• 3 1/2 oz Dark or bittersweet chocolate
• 1/4 cup Sugar
• 1 1/4 cups Double cream (divided)
• 3 drops Peppermint oil (pure — strong, use carefully!)
• 1 teaspoon Gelatin, unflavored
• 2 tablespoons Water (for blooming)

For the White Chocolate Peppermint Topping

• 4 oz White chocolate chips
• 2 teaspoons Light corn syrup
• 2 1/2 tablespoons Milk
• 2 tablespoons Water
• Extra drops peppermint oil (optional, VERY small amount)

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🧰 Equipment Needed

• Mixing bowls
• Saucepan
• Heatproof bowls
• Whisk
• Rubber spatula
• 9-inch tart pan (preferably with removable bottom)
• Measuring cups & spoons
• Spoon or flat measuring cup (for pressing crust)
• Refrigerator
• Small microwave-safe bowl

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👩‍🍳 Directions (Form-Steps Style)

🔹 PART 1 — MAKE THE CHOCOLATE CRUST

Step 1 — Crush the Graham Crackers

• Add chocolate graham crackers to a food processor.
• Pulse into fine crumbs.
  OR: Place in a bag and crush with a rolling pin.

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Step 2 — Mix in Sugar & Butter

• Add powdered sugar to crumbs.
• Pour in melted butter.
• Mix until texture resembles wet sand.

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Step 3 — Press Into Tart Pan

• Pour the crumb mixture into a tart pan.
• Press firmly along the bottom and up the sides.
• Use the back of a measuring cup for smoothness.

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Step 4 — Chill the Crust

• Refrigerate for 15 minutes while preparing the mousse.

This helps the crust firm and prevents crumbling.

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🔹 PART 2 — PREPARE THE DARK CHOCOLATE PEPPERMINT MOUSSE

Step 5 — Bloom the Gelatin

• Add 1 teaspoon gelatin to 2 tablespoons cold water.
• Let sit 5 minutes until thick and spongy.

This stabilizes the mousse.

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Step 6 — Melt the Dark Chocolate

• Melt dark chocolate in a heatproof bowl over warm water OR microwave in short bursts.
• Stir smooth and glossy.
• Set aside to slightly cool.

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Step 7 — Heat the Cream

• In a small saucepan, heat 1/4 cup double cream with the 1/4 cup sugar until hot (not boiling).
• Remove from heat.

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Step 8 — Add Gelatin to Hot Cream

• Stir bloomed gelatin into the hot cream mixture.
• Mix until fully dissolved.

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Step 9 — Combine With Melted Chocolate

• Pour warm cream-gelatin mixture into melted chocolate.
• Stir until silky.

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Step 10 — Add Peppermint Oil

• Add 3 drops pure peppermint oil — it’s strong, don’t overdo it!

This gives the mousse a refreshing peppermint bite.

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Step 11 — Whip the Remaining Cream

• Whip 1 cup double cream to soft peaks.
• Do not overbeat.

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Step 12 — Fold Into Chocolate Mixture

• Gently fold whipped cream into chocolate mixture.
• Use slow, sweeping motions to keep mousse airy.

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Step 13 — Fill the Tart Shell

• Pour mousse into the chilled crust.
• Smooth the top with a spatula.

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Step 14 — Chill

• Refrigerate for 1 hour, or until lightly set.

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🔹 PART 3 — MAKE THE WHITE CHOCOLATE PEPPERMINT TOPPING

Step 15 — Melt White Chocolate

• In a microwave-safe bowl, melt white chocolate chips in 20-second intervals.
• Stir until smooth.

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Step 16 — Add Milk, Corn Syrup & Water

• Stir in milk, corn syrup, and water.
• Whisk until glossy and pourable.

Optional: Add very tiny drop of peppermint oil for extra mint flavor.

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Step 17 — Pour Over Tart

• Pour white chocolate topping over mousse layer.
• Tilt pan gently to spread evenly.

Creates a beautiful white chocolate peppermint glaze.

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Step 18 — Chill Fully

• Refrigerate for 2–4 hours until the tart is fully set.
• Overnight gives best slices.

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🔹 PART 4 — SERVE THE TART

Step 19 — Remove From Pan

• Gently lift tart by removing ring from tart pan.

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Step 20 — Slice & Decorate

Optional toppings:

• Dark chocolate curls
• Crushed peppermint candies
• Mini chocolate chips
• Fresh mint
• Dusting of cocoa

Serve chilled for best texture.

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🍽️ Servings & Timing

• Servings: 8–10
• Prep Time: 25 minutes
• Chill Time: 3–4 hours
• Total Time: ~4 hours

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🧊 Storage

Refrigerator

• Keeps perfectly for 3–4 days.

Freezer

• Freeze up to 1 month (wrap well).
• Thaw overnight before serving.

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🥄 Variations

1. Dark Chocolate Only Tart

Skip peppermint and use vanilla only.

2. Mocha Mint Tart

Add 1 teaspoon instant coffee to hot cream.

3. White Chocolate Mousse Tart

Swap dark chocolate for white chocolate in the filling.

4. Oreo Crust Version

Use crushed Oreos instead of chocolate graham crackers.

5. Triple Chocolate Holiday Tart

Add a drizzle of melted dark chocolate after glazing.

6. Peppermint Bark Tart

Top with crushed candy cane pieces for crunch.

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❓ 10 FAQs

1. Why is my mousse too soft?

Gelatin wasn’t dissolved or tart wasn’t chilled long enough.

2. Can I use peppermint extract?

Yes — use 1/4 teaspoon instead of peppermint oil.

3. Can kids eat this?

Yes — completely alcohol-free.

4. Can I make this ahead?

Yes — this tart is PERFECT for next-day serving.

5. Why is my glaze grainy?

White chocolate overheated — melt gently.

6. Can I skip the gelatin?

Not recommended — mousse won’t slice neatly.

7. Can I make this dairy-free?

Use dairy-free chocolate + coconut cream.

8. Can I lighten the peppermint flavor?

Use fewer drops — peppermint oil is extremely strong.

9. Why is my crust crumbly?

Not enough butter — add 1–2 tablespoons extra.

10. Can I add a dark chocolate topping instead?

Yes — melt dark chocolate with cream for a ganache top.

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🏁 Conclusion

This Dark Chocolate Peppermint Mousse Tart is the perfect combination of rich chocolate, refreshing peppermint, and silky mousse textures. With its elegant layers, no-bake filling, delicate white chocolate topping, and festive flavor profile, it makes a stunning dessert for Christmas and winter celebrations. Every slice offers cool mint, deep chocolate, and buttery crunch — a true holiday masterpiece.