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Chocolate and Hazelnut Meringue Cake

Baking produces a thin, crispy crust over a layer of soft chewy meringue that melds perfectly with the embedded chocolate chunks. When sliced, the meringue cracks and collapses slightly onto the rich chocolate cake. This cake is just as delicious without the meringue topping; bake the chocolate until it is crackling and slightly firm, 40 to 45 minutes.

  • yield: Makes one 9-inch cake
Photography: Anna Williams

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Ingredients

  • 10 tablespoons unsalted butter, plus more for pan
  • All-purpose flour, for pan
  • 1 cup hazelnuts (about 4 ounces)
  • 3/4 cup firmly packed light-brown sugar
  • 6 large whole eggs, separated, plus 4 large egg whites
  • 12 ounces bittersweet chocolate, melted and cooled, plus 4 ounces roughly chopped (1 cup)
  • 1 tablespoon pure vanilla extract
  • 1 tablespoon rum (optional)
  • 1 pinch of salt
  • 1 tablespoon cornstarch
  • 1/4 teaspoon cream of tartar
  • 1 cup superfine sugar

Directions

  1. Step 1

    Preheat oven to 350 degrees. Butter a 9-by-3-inch springform pan. Line bottom with parchment. Butter parchment, and sprinkle with flour; tap out excess. Set aside.

  2. Step 2

    Spread hazelnuts in a single layer on a rimmed baking sheet. Toast until fragrant and skins start to crack, 10 to 15 minutes. Remove from oven; rub vigorously with a clean kitchen towel to take off skins. Let cool; roughly chop. Set aside.

  3. Step 3

    Make cake batter: In the bowl of an electric mixer fitted with the paddle attachment, cream butter and brown sugar until pale and smooth. Add egg yolks, one at a time, beating well after each addition, until mixture is light and fluffy. Add melted chocolate, vanilla, and rum, if using; beat until combined. Set aside.

  4. Step 4

    In a clean mixer bowl, combine 6 egg whites and salt; using the whisk attachment, beat on high speed until soft peaks form, about 2 minutes. Stir one-third of the egg whites into chocolate mixture. Fold in remaining beaten egg whites just until combined. Pour batter into prepared pan, and bake 25 minutes.

  5. Step 5

    Meanwhile, make meringue: Combine hazelnuts, chopped chocolate, and cornstarch in a small bowl, and set aside. Place remaining 4 egg whites and cream of tartar in a clean mixer bowl; using a clean whisk attachment, beat on high speed until frothy. With mixer running, slowly add superfine sugar; continue beating until stiff peaks form, about 8 minutes. Fold in hazelnut mixture.

  6. Step 6

    Remove cake from oven. Using an offset spatula, spread meringue mixture on top of cake, and return to oven. Bake until meringue is lightly browned and crisp, 25 to 30 minutes. Transfer pan to a wire rack; let stand 10 minutes. Run a knife around the edge of the cake to loosen, and release sides of pan. Let cool, about 30 minutes, before slicing and serving.

    Note: Use the largest spatula you own and as few strokes as possible to maintain the egg white mixture's light, airy consistency when folding it into the chocolate batter. Hazelnut skins will come right off when you toast the nuts; rub them vigorously inside a folded kitchen towel while they're still warm. An offset spatula lets you reach easily into the springform pan to gently coax the meringue over the half-baked cake layer.

Source
Martha Stewart Living, February 2003

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Reviews (4)

  • DrunkenCherry 12 Aug, 2013

    Made it yesterday and will do some adjustments next time.
    It's a good cake, but not great in my opinion. The meringue part is just right, but I'm having an issue with the chocolate layer - it's too thick and too dry to my liking. I'm making similar flourless chocolate cake and it's very moist. Next time I will make this cake using my chocolate base, halved.

  • Westislander 26 May, 2013

    I made this cake today. I substituted walnuts for the hazelnuts because the grocery store was out. It didn't work and I should have just left out the nuts. I baked the cake in my standard, non-convection oven for an extra 10 minutes. I added the meringue to the top and baked it for another 10 minutes more than the recipe asks. It was fabulous even with the walnuts. It would have been even better with whipped cream and raspberries on top.

  • bevans09 31 Dec, 2012

    I have been making this recipe for years! I substitute the hazelnuts for macadamia nuts and it's just as yummy! I always get a ton of compliments. Also be very careful when you are putting the meringue on top of the hot cake cause it will push it way down in the center if you just plop it on. Enjoy!

  • Nicol Stryker 16 Dec, 2012

    Amazing recipe. Great dessert for when you want to impress. I've made it quite a few times and I've never had leftovers. Warning...prepare for a messy kitchen. You need a lot of bowls.