Need cake recipes for a 12x18x2 cake pan?

Duncan Hines cake mix used to have on the inside of the cake boxes a recipe for a very large sheet cake, Its gone, the receipe is different because of its size, does any one have it? I


need it buy 2pm today.Need cake recipes for a 12x18x2 cake pan?
It is just thinner and takes less time, maybe 5 - 10 minutes just watch it and check with a toothpick.Need cake recipes for a 12x18x2 cake pan?
u can use any recipe but you will need to double it or use 2 boxes
Enjoy!!!





10 ounces margarine;





20 ounces granulated sugar;





3 ounces all-purpose flour;





1 ounce ground cinnamon;





1 1/2 teaspoons salt;





54 ounces all-purpose flour;





2 ounces baking powder;





2 pounds granulated sugar;





1 2/3 tablespoons salt;





10 ounces eggs (about 6 total) - beaten;





1 1/4 quarts milk;





26 ounces shortening - melted and cooled.








Instructions:








Place margarine, 1 lb 4 oz granulated sugar, 3 oz flour, cinnamon, and salt in mixer bowl. Mix on low speed until crumbly, using flat beater. Set aside, to be used later as topping.Combine 3 lb 6 oz flour, baking powder, 2 lb granulated sugar, and salt in mixer bowl.Combine eggs and milk. Add to dry ingredients. Mix on low speed until dry ingredients are just moistened.Add shortening and mix on low speed for 1 minute.Scale dough into two greased 12x18x2-inch baking pans, 4 lb 2 oz per pan. Sprinkle with reserved topping mixture, 1 lb per pan. Bake at 350掳F for 25 minutes or until done. Cut 4x8.