"These 4-ingredient Lemon Whippersnaps are soft, chewy and bursting with flavor!..."
INGREDIENTS
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1 box lemon cake mix ((I used a 16.5 ounce Duncan Hines mix))
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1 (8 ounce) container frozen whipped topping (such as Cool Whip), thawed
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1 egg
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1/2 cup sifted confectioners’ sugar