Pumpkin Sheet Cake

People said this was the best pumpkin cake/bar they ever had

1 can pumpkin
2 cups sugar
1 cup canola oil
4 eggs, lightly beaten
2 cups flour
2 tsp baking soda
1 tsp cinnamon
1/2 tsp salt

Frosting:
3 oz cream cheese, softened
5 T butter, softened
1 tsp vanilla extract
1 3/4 cup confectioners' sugar
3 - 4 tsp milk
chopped nuts

In large bowl beat pumpkin, sugar, oil until blended.  Beat in eggs.  Combine flour, baking soda, cinnamon, and salt; gradually add to pumpkin mixture, beating until well blended.

Pour into a greased 15 X 10 X 1 baking sheet.  Bake at 350 for 25 - 30 minutes or until toothpick comes out clean.  Cool on wire rack

For frosting, in a small bowl, beat the cream cheese, butter, and vanilla until fluffy.  Gradually beat in sugar until smooth.  Add milk until frosting reaches desired spreading consistency  Frost cake sprinkle with nuts.