Chocolate Cakes with Matcha Truffle Centers

This image courtesy of Joseph DeLeo

You’ve probably had molten chocolate cake in your neighborhood restaurant, but this version has a green tea and white chocolate truffle inside. The interior melts while the cake bakes and then oozes out like hot chocolate sauce when served. The combination of tea and chocolate–yin and yang–is very common in Asia. The tea cuts through the sweetness of the white chocolate and lends an earthy flavor to the cake.

NotesCHEF’S TIP: Serve this cake straight from the oven. You can make the truffles or assemble the cakes ahead of time. If you choose to do the latter, bake the cakes directly from the refrigerator–do not bring to room temperature first.

Makes8 individual cakes

Cooking Methodbaking


Total Timeunder 1 hour

Kid FriendlyYes

OccasionFormal Dinner Party

Recipe Coursedessert

Equipmentelectric mixer

Mealdinner, tea


Taste and Texturechocolatey, creamy, sweet, umami

Type of Dishchocolate cake


  • 4 ounces (120 grams) white chocolate, roughly chopped
  • 2 tablespoons unsalted butter
  • 3 tablespoons heavy whipping cream
  • 1/8 teaspoon salt
  • 1 tablespoon matcha (green tea powder)
  • 5½ tablespoons (2¾ ounces/77 grams) unsalted butter, plus more for greasing the ramekins
  • 1 tablespoon all-purpose flour, for flouring the ramekins
  • 5½ ounces (165 grams) bittersweet chocolate, chopped
  • 4 large eggs, separated, at room temperature
  • ¼ teaspoon salt
  • 3 tablespoons sugar
  • 2 teaspoons cornstarch


  1. To make the truffies: Combine the white chocolate, butter, cream, and salt in a double boiler or in a heatproof bowl set over a saucepan of gently simmering water and heat, stirring occasionally, until the chocolate and butter are completely melted and smooth. Whisk in the matcha until fully incorporated. Transfer the ganache to a shallow dish and refrigerate, uncovered, until firm.

  2. When the ganache is almost set, make the chocolate cakes: Preheat the oven to 425°F. Generously butter and flour eight 4-ounce ramekins and set aside.

  3. Melt the butter and chocolate in a double boiler or in a heatproof bowl set over a saucepan of gently simmering water, stirring occasionally, until completely melted and smooth. Remove from the heat.

  4. Put the yolks, salt, and half the sugar in a large mixing bowl and whisk just until blended. Add the melted chocolate mixture, whisk well, and set aside.

  5. Put the egg whites in the bowl of an electric mixer fitted with the whisk attachment and whisk at medium-high speed until frothy. With the machine running, slowly add the remaining sugar and continue whisking until medium peaks form. (When you lift the whisk from the mixture, a peak will form and the very tip of the peak will fall back down.) Whisk in the cornstarch until incorporated.

  6. Whisk half the whites into the yolk mixture until fully incorporated, then gently fold in the remaining whites. Divide the batter evenly among the ramekins.

  7. Use a 1-inch diameter ice cream scoop or a measuring spoon to scoop the white chocolate mixture into eight 1-inch balls. Press a ball into the center of each ramekin and use the back of a spoon to smooth the batter over the truffle until it is covered.

  8. Bake until the cakes are a dark chocolatey brown and dry to the touch, about 7 minutes; they should have risen about ½ inch above the rim of the ramekins. Cool for 1 minute in the ramekins, then invert onto serving plates and serve.

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