Secret Ingredient Chocolate Sheet Cake

• 2 eggs
• 2 egg whites
• 2 14 cups sugar
• 2 teaspoons vanilla extract
• 12 cup canola oil
• 3 cups all-purpose flour
• 12 cup baking cocoa
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 34 teaspoon salt
• 1 cup 2% buttermilk
• 3 cups coarsely shredded and unpeeled zucchini
• 12 cup butter
• 3 cups confectioners' sugar
• 14 cup baking cocoa
• 1 12 teaspoons vanilla extract
• 14 cup skim milk

1. In a large bowl, beat eggs until frothy.
2. Add sugar gradually, beating until mixture is thick and well mixed.
3. Beat in vanilla and oil.
4. Combine flour, cocoa, baking powder, baking soda and salt.
5. Alternatively add flour mixture and buttermilk to egg/sugar mixture, ending with buttermilk.
6. Beat until smooth.
7. Fold in zucchini.
8. Pour batter into 9 x 13 backing pan that has been sprayed with non-stick cooking spray.
9. Bake at 350 for 40 to 45 minutes until toothpick comes out clean.
10. Let cool.
11. To make frosting, beat together remaining five (5) ingredients until frosting is very creamy.

eggs, egg whites, sugar, vanilla, canola oil, allpurpose, baking cocoa, baking powder, baking soda, salt, buttermilk, zucchini, butter, sugar, baking cocoa, vanilla, milk

Taken from www.food.com/recipe/secret-ingredient-chocolate-sheet-cake-329261 (may not work)