INGREDIENTS
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2 c. plus 2 TBSP all-purpose flour
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1/2 tsp baking soda
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1/2 tsp salt
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12 TBSP (1 1/2 sticks) unsalted butter, melted & cooled until warm
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1 c. brown sugar, packed
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1/2 c. granulated sugar
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1 large egg plus 1 yolk
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2 tsp vanilla extract
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1 1/2 c. semisweet chocolate chips