Cup of Yum
1. Preheat oven to 350 degrees F
2. Prepare a 13x9 baking pan with light coating of cooking spray or oil.
3. In a large mixing bowl, whisk the cake mix and pudding together.
4. Beat in the eggs, water and oil and combine well.
5. Pour the batter into the lightly greased baking pan.
6. Bake for 25-30 minutes or until a toothpick inserted in the center comes out clean.
7. Remove from the oven and place on wire rack
8. Cool for 15 minutes
9. In a small bowl, whisk together lemonade concentrate and powdered sugar until smooth
10. Using a wooden skewer or large fork, poke holes into cake about every ½ inch
11. Pour lemonade mixture over cake
12. Cover and place in refrigerator for at least 1 hour

Make the Frosting

Cup of Yum
1. In a mixing bowl, combine all of the ingredients and mix until fluffy. (I would start with 1 cup of powdered sugar but you may need to add more depending on how thick you want the frosting.)
2. Spread the icing over the entire cake.
3. Place in the refrigerator and store until ready to serve.
4. Store any leftovers covered in refrigerator.