Strawberry Shortcake Sheet Cake Recipe - Six Sisters' Stuff

Ingredients

• 15.25 ounces white cake mix (1 package, I used Pillsbury)
• 3.4 ounces instant vanilla pudding mix (1 box)
• 1 cup sour cream
• 1 cup milk (( I used 1%))
• ¼ cup vegetable oil
• 1 teaspoon vanilla
• 3 egg white
• 8 ounces cream cheese (1 package, softened)
• 1 cup powdered sugar
• 8 ounces cool whip (1 package, thawed)
• 3 cup fresh strawberries (diced)