"This Cookies 'n Cream Oreo Cake is FULL of chocolate and Oreo flavor. Dark Chocolate Cake filled with marshmallow buttercream and tons of Oreos!..."
INGREDIENTS
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3 cups all purpose flour
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2 cups granulated sugar
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1/2 cup unsweetened DARK cocoa powder (I used Hershey’s Special Dark)
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2 teaspoons baking soda
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1 teaspoon salt
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1 1/2 cups hot water
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1/2 cup hot coffee (see note)
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3/4 cup vegetable oil
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2 tablespoons white vinegar
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1 tablespoon vanilla extract
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1/2 cup unsalted butter
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1/2 cup vegetable shortening
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1 jar (7 ounces) marshmallow cream/fluff
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3 cups powdered sugar
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1 teaspoon salt
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1 tablespoon vanilla extract
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1-2 tablespoons heavy whipping cream
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10 Oreos, crushed