INGREDIENTS
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3/4 cups all-purpose flour (make sure to properly measure the flour!)
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1/2 cup unsweetened cocoa powder
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1/2 teaspoon baking powder
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1/4 teaspoon baking soda
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1/4 teaspoon salt
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2 large eggs
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1 cup granulated sugar
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1/2 cup (1 stick) unsalted butter, softened
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1 1/2 teaspoons vanilla extract
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1/2 cup sour cream
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1 (2 sticks) cup unsalted butter, softened
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2 1/2 cups powdered sugar
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2 Tablespoons vanilla extract
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1 Tablespoon milk
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2 1/2 (about 18 whole Oreos) cups crushed Oreos
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1/2 cup Nutella
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24 (12 whole Oreos cut in half) half Oreo cookies