"This Chocolate Chip Cookie Cake is a large chocolate chip cookie topped with smooth chocolate frosting and sprinkles resulting in the perfect combination of birthday cake and cookie for all you big cookie lovers! ..."
INGREDIENTS
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12 tablespoons unsalted butter (softened)
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1 cup brown sugar (packed, I used light brown sugar)
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1/4 cup granulated sugar
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1 large egg (at room temperature )
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1 egg yolk
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2 teaspoons vanilla extract
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2 cups all purpose flour
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1 teaspoons cornstarch
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1 teaspoon baking soda
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3/4 teaspoon salt
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1 1/2 cups semi-sweet chocolate chips (divided)
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6 tablespoons unsalted butter (softened)
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3 tablespoons unsweetened cocoa powder
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1 1/2 cups powdered sugar
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1 teaspoon vanilla extract
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2 tablespoons milk (or heavy cream)