INGREDIENTS
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2-1/4 cups all-purpose flour, spooned and leveled
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1 tsp baking soda
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1 tsp salt
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1 cup (2 sticks) unsalted butter, melted and cooled
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1 cup packed dark brown sugar
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1/2 cup white sugar
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1 Tbsp vanilla extract
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1 egg + 1 yolk, room temperature
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2-3 cups semisweet chocolate chips (or 1 cup each semisweet, peanut butter, and white chocolate chips)