"Searching for the best snickerdoodle cookies ever? Look no further! This easy recipe bakes up soft, thick, and fluffy, with plenty of cinnamon sugar!..."
INGREDIENTS
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1 cup unsalted butter (softened)
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1 cup granulated sugar
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1 large egg
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1 large egg yolk
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2 teaspoons vanilla extract
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2 3/4 cups all-purpose flour
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1/4 cup cornstarch
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1 1/2 teaspoons cream of tartar*
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3/4 teaspoon baking soda ((generous))
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1/2 to 3/4 teaspoon kosher salt (to taste)
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1/2 teaspoon ground cinnamon
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1/4 cup granulated sugar
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2 tablespoons clear sparkling sugar (optional)
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2 teaspoons ground cinnamon