"Brace yourself for the bright, tart, and buttery homemade taste of Sunshine Lemon Cooler Cookies! The best nostalgic copycat cookie to brighten your day by blending citrus and sweet flavors...."
INGREDIENTS
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½ cup granulated white sugar
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½ tablespoon lemon zest
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½ cup (1 stick) salted butter ( room temperature)
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1 large egg yolk
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1¼ cup all-purpose flour (spooned and leveled)
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1 teaspoon cornstarch
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1 Tablespoon lemon juice
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1 cup powdered sugar
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¾ teaspoon lemonade kool aid powder