"An all-star recipe for a giant chocolate chip cookie cake topped with milk chocolate frosting...."
INGREDIENTS
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3/4 cup (170g) unsalted butter, softened to room temperature
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1 cup (200g) packed light or dark brown sugar
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1 large egg + 1 egg yolk*
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2 teaspoons pure vanilla extract
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2 cups (250g) all-purpose flour (spoon & leveled)
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2 teaspoons cornstarch (aka cornflour)*
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1 teaspoon baking soda
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1/2 teaspoon salt
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1 and 1/2 cup (225g) semi-sweet chocolate chips
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optional: chocolate buttercream for topping