INGREDIENTS
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2 3/4 cups all-purpose flour
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1 tsp baking soda
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3/4 tsp cream of tartar
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1/2 tsp salt
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1 cup unsalted butter softened
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1 cup granulated sugar
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1/2 cup packed light brown sugar
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1 large egg
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1 large egg yolk
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1 1/2 tsp vanilla extract
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2 1/2 Tbsp granulated sugar
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2 1/2 tsp ground cinnamon