"Sky-high meringue is teamed with billows of freshly whipped cream and homemade rhubarb compote for this showstopping cake...."
INGREDIENTS
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Coconut oil, for brushing
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5 large egg whites, room temperature
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2 1/3 cups granulated sugar
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1 tablespoon cornstarch
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2 teaspoons pure vanilla extract
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1 teaspoon white-wine vinegar
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2 pinches of kosher salt
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1 bunch rhubarb (1 pound), trimmed and cut into 1/2-inch pieces (about 3 1/3 cups)
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2 tablespoons muscat, such as Muscat de Beaumes de Venise
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1 1/2 cups cold heavy cream
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3 tablespoons confectioners' sugar