INGREDIENTS
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1 1/2 cups heavy cream
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1/2 vanilla bean
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10 1/2 tablespoons butter, softened
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2/3 cup brown sugar
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1 1/3 cups flour
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1 teaspoon baking powder
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4 teaspoons espresso powder
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1 teaspoon salt
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5 egg yolks
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1/3 cup milk
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5 egg whites
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1 cup granulated sugar
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2 teaspoons cinnamon
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1/2 cup walnuts, chopped and toasted
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1 tablespoon maple syrup