INGREDIENTS
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2/3 cup heavy cream
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6 ounces semisweet chocolate, finely chopped
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2 teaspoons instant espresso powder
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1 teaspoon vanilla extract
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1 tablespoon coffee liqueur (optional)
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8 ounces milk chocolate, finely chopped
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2 1/2 sticks unsalted butter, at room temperature
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Pinch of salt
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1 1/2 cups confectioners' sugar
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1 tablespoon unsweetened cocoa powder
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1 teaspoon vanilla extract
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Basic Chocolate Cake , baked and cooled
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Basic Vanilla Cake , baked and cooled