INGREDIENTS
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2 cups flour
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1 cup sugar
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1 cup firmly packed dark brown sugar
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1 cup cocoa powder
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1 1/2 teaspoons baking soda
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1 cup Dr Pepper
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1/2 cup semi-sweet chocolate chips (I used milk chocolate once and they were great, too)
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2 large eggs
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1 cup buttermilk
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1 cup canola oil
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1 1/2 teaspoons vanilla extract
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Dr Pepper Frosting:
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1 cup + 2 tablespoons butter
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4 cups powdered sugar
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1/4 cup cocoa
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1/4 cup Dr Pepper (I added an additional 1-2 Tablespoons once, and I actually liked that better. However it did make the frosting thinner…)
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1 1/2 teaspoons vanilla extract