INGREDIENTS
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Parchment for baking sheets
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3 cups whole-wheat flour
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1 1/2 teaspoon baking powder
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1 teaspoon baking soda
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1 1/2 teaspoon kosher salt
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8 ounces (2 sticks) cold unsalted butter, cut into 1/2-inch pieces
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1 cup dark brown sugar
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1 cup sugar
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2 eggs
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2 teaspoons pure vanilla extract
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8 ounces bittersweet chocolate, roughly chopped into 1/4- and 1/2-inch pieces