INGREDIENTS
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•3 cups all-purpose flour
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•1 teaspoon baking powder
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•1 teaspoon baking soda
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•1 teaspoon salt
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•1 cup unsalted butter, room temperature
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•¼ cup granulated sugar
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•1½ cups light brown sugar
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•2 large eggs
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•3 teaspoons vanilla
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•1 12-ounce package semi-sweet chocolate chips (I like Ghirardelli)
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•1 12-ounce package milk chocolate chips