"This oversized cookie cake recipe is so easy and quick that I just might make it instead of traditional cookies from now on. I don't miss portioning out dough or shuffling pans in and out of the oven. Store leftovers in an airtight container for up to a week. —Lisa Kaminski, Wauwatosa, Wisconsin..."
INGREDIENTS
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3/4 cup butter, softened
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1/2 cup sugar
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1/2 cup packed brown sugar
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1 large egg plus 1 large egg yolk, room temperature
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2 teaspoons vanilla extract
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2 cups all-purpose flour
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2 teaspoons cornstarch
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1 teaspoon baking soda
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1/4 teaspoon salt
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1 cup semisweet chocolate chips
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1/2 cup butter, softened
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4-1/2 cups confectioners' sugar
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1-1/2 teaspoons vanilla extract
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5 to 6 tablespoons 2% milk
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Optional: Food coloring and sprinkles