"There's a surprise inside this rich, buttery, chocolate-studded quick bread: a creamy swirl of peanut butter cheesecake...."
INGREDIENTS
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One 8-ounce package cream cheese, at room temperature
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1/2 cup creamy peanut butter
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1/3 cup granulated sugar
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1/4 cup sour cream
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1 large egg
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Nonstick cooking spray, for the pan
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1 1/2 cups all-purpose flour, plus more for dusting (see Cook's Note)
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1 1/2 cups sour cream
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1/2 cup vegetable oil
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1 teaspoon vanilla extract
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2 large eggs
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1 cup granulated sugar
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1/2 cup unsweetened cocoa powder
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1 teaspoon baking powder
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1/2 teaspoon kosher salt
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1/4 teaspoon baking soda
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1 cup semisweet chocolate chips
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Confectioners' sugar, for dusting