1 (18 1/4 Oz.) Package Yellow or White Cake Mix
1 (12 Oz.) bottle or can of Root Beer *(Save 3 Tablespoons of Root Beer for Frosting)
1/4 cup of oil
2 cups of Powdered Sugar
1/2 cup of shortening or butter or margarine
3 Tablespoons of Root Beer
Preheat oven to 350 degrees, grease and flour 9 x 13 inch pan.
For cake :
Combine cake mix, Root Beer, oil, and eggs in large mixing bowl. Beat on low speed until dry ingredients are moistened. Beat on medium speed for 2 minutes. Pour into prepared ban and bake according to package directions for 13 x 9 inch cake.
Combine all ingredients and beat with electric mixer until smooth and of spreading consistency. Spread on cooled cake.
*Use more Root Beer if needed to make spreading consistency but add by teaspoonful until you get desired consistency so as not to add too much liquid to frosting.
Number Of Servings:12 depending on size of serving
Preparation Time:About an hour