December 27, 2016
Jaws will drop when you bring out this tart at your Christmas feast or New Year celebration. In this reinterpretation of the s’more, a fluffy marshmallow topping hides a layer of dark chocolate ganache drizzled over a crunchy cookie crust.
Yield: 1 tart
Active Time: 30 minutes
Total Time: 1 hour and 30 minutes
For the crust
10 ounces speculoos cookies
1 1/2 sticks unsalted butter, melted and cooled slightly
For the chocolate ganache filling
11 ounces dark chocolate
3 ounces milk chocolate
2 tablespoons unsalted butter
1 1/4 cups heavy cream
1 teaspoon large-flake sea salt
For the marshmallow topping
4 teaspoons gelatin
3 tablespoons water
2 cups organic sugar
3/4 cup light corn syrup
6 egg whites
1/4 teaspoon lemon juice
1/4 teaspoon salt
1 teaspoon vanilla powder
Special equipment: A 9-inch springform pan and a handheld pastry torch
Preheat oven to 325 degrees and line the bottom of a springform pan with parchment paper.
Pulse speculoos cookies in food processor until they form a coarse meal, then transfer to a large bowl. Pour in melted butter and stir to evenly combine. Press crust into bottom and halfway up the sides of springform pan. Bake crust for 10 minutes, then let cool before starting ganache.
In a large bowl set over hot water, melt chocolates with butter. Stir in cream and salt. Pour into crust, let cool, then chill, covered with plastic wrap, in fridge for 30 minutes to 1 hour to set.
While the filling sets, sprinkle gelatin over 3 tablespoons water in a microwave-safe bowl. Set aside. Bring 1 1/2 cups sugar, corn syrup, and 3 tablespoons water to a boil over low heat.
Place egg whites, lemon juice, and salt in the bowl of a stand mixer fitted with the whisk attachment. Beat on medium-high until soft peaks form. Turn mixer to high and gradually add in remaining 1/2 cup sugar. Bring speed back down to medium and very carefully, pour hot sugar syrup into egg whites (use caution when blending hot liquids). Turn mixer back up to high and beat for 5 minutes. Microwave bloomed gelatin for 15 seconds and then pour into running mixer with vanilla powder. Mix until just incorporated.
Scoop out 3 cups of marshmallow mixture onto tart and spread evenly. Using a pastry torch, lightly toast the marshmallow filling to create golden peaks.
Photo credit: Paul Delmont
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