INGREDIENTS
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2¼ c. (280 g.) unbleached all-purpose flour
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1 tsp. baking soda
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1 tsp. salt
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1 c. dark brown sugar, firmly packed
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12 T. unsalted butter, at room temp
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½ c. sugar
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1 T. light corn syrup
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1 large egg plus 1 large egg yolk, at room temp
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2 tsp. pure vanilla extract
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2 c. (390 g.) chocolate chips