Dr. Pepper Cake

• 2 cup(s) all-purpose flour
• 2 cup(s) granulated sugar
• 1 teaspoon(s) baking soda
• 1/2 teaspoon(s) salt
• 1 cup(s) (2 sticks) butter or margarine, cup up
• 1 cup(s) Dr. Pepper
• 1/4 cup(s) unsweetened cocoa
• 1/2 cup(s) buttermilk
• 2 large eggs, well-beaten
• 1 teaspoon(s) vanilla extract
• Frosting
• 1/2 cup(s) (1 stick) butter or margarine, cut up
• 1/3 cup(s) Dr. Pepper
• 1/4 cup(s) unsweetened cocoa
• 1 teaspoon(s) vanilla extract
• 1 package(s) (16 ounces) confectioners' sugar

1. Preheat oven to 350 degrees F. Grease 13- by 9-inch glass baking dish.
2. In large bowl, stir together flour, sugar, baking soda, and salt. In 2-quart saucepan, heat butter, cola and cocoa over medium-high heat until bubbles form around edge of pan. Remove from heat.
3. Pour mixture over flour mixture; with wire whisk, stir until well combined. Whisk in buttermilk, eggs and vanilla until blended.
4. Pour batter into prepared pan. Bake 40 minutes or until toothpick inserted in center of cake comes out clean. Transfer to wire rack.
5. Meanwhile, prepare frosting: In 1-quart saucepan, heat butter, cola, and cocoa to boiling over medium-high heat. Remove saucepan from heat. Add vanilla and stir until butter melts. Place confectioners' sugar in medium bowl. Pour hot butter mixture over sugar. With wire whisk, stir until well combined. Set aside until ready to use.
6. Stir frosting well; spread over top of hot cake immediately after removing from oven. Cool in pan on wire rack.

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Taken from www.epicurious.com/recipes/member/views/dr-pepper-cake-50178888 (may not work)