Follow these steps to create your Decadent Christmas Chocolate Biscoff Tart:

1. Prepare the Crust: Preheat your oven to 350°F (175°C). In a food processor, blend the Biscoff cookies into fine crumbs.
2. Mix with Butter: In a bowl, combine the cookie crumbs with melted butter until well mixed.
3. Form the Crust: Press the mixture into the bottom and sides of a 9-inch tart pan. Bake for 10-12 minutes until golden.
4. Cool the Crust: Remove the crust from the oven and let it cool completely.
5. Make the Ganache: In a saucepan, heat the heavy cream over medium heat until just simmering. Remove from heat and add the chopped dark chocolate.
6. Mix Well: Stir until the chocolate is completely melted and the mixture is smooth. Add sugar, vanilla extract, and a pinch of salt; mix well.
7. Fill the Tart: Pour the chocolate ganache into the cooled Biscoff crust, smoothing it out evenly.
8. Chill: Place the tart in the refrigerator for at least 30-60 minutes to set.
9. Prepare for Serving: Once set, top with whipped cream, crushed Biscoff cookies, and drizzle with Biscoff spread.
10. Slice and Serve: Carefully slice the tart and serve chilled or at room temperature.

With these simple steps, you’ll create a stunning and delicious dessert that is sure to become a holiday favorite.