This is the pumpkin sheet cake recipe I have been using for years. It was a Taste of Home recipe and is very moist. It's easier than using any box mixes - just put everything is the mixer, pour it into the pan and bake!

Don't expect any leftovers!
Pumpkin Sheet Cake
1 can pumpkin (16 oz)
2 cups sugar
1 cup vegetable oil
4 eggs
2 cups flour
2 teaspoons baking soda
1 teaspoon ground cinnnamon
1/2 teaspoon salt
In a mixing bowl, beat pumpkin, sugar, and oil. Add eggs, mix well. Combine flour, baking soda, cinnamon and salt, add to pumpkin mixture and beat until well blended. Pour into a greased 15x10 baking pan. Bake at 350 for 25-30 minutes.
Frosting
1 3oz package cream cheese
5 tablespoons butter softened
1 teaspoon vanilla
1 3/4 cups powdered sugar
3-4 teaspoons milk
Beat cream cheese, butter, and vanilla until smooth. Gradually add sugar. Add milk for desired consistency. Sprinkle with nuts. 20 -24 servings