"Can't decide between cookies and cake? Oversized, double-chocolate cookies stacked between layers of peanut-butter frosting create an indulgent dessert that doesn't make you choose...."
INGREDIENTS
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4 1/2 cups all-purpose flour (see Cook's Note)
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2/3 cup unsweetened dark cocoa powder
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2 teaspoons baking soda
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2 teaspoons fine salt
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3 sticks (24 tablespoons) unsalted butter, at room temperature
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3 cups packed dark brown sugar
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4 large eggs
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2 teaspoons pure vanilla extract
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3 cups semisweet chocolate chips
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1/2 cup honey-roasted peanuts, chopped
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2 sticks (16 tablespoons) unsalted butter, at room temperature
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1 cup smooth peanut butter
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2 cups confectioners' sugar
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4 ounces semisweet chocolate, finely chopped
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1/3 cup heavy cream
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1 tablespoon unsalted butter