Pumpkin Bars with Cream Cheese Frosting

From "Favorites" Cookbook

4 eggs
1 2/3 cups sugar
1 cup vegetable oil
1 (16-oz) can pumpkin
2 cups flour
2 tsp baking powder
2 tsp cinnamon
1 tsp salt
1 tsp baking soda
1/2 tsp nutmeg
1/4 tsp cloves

Beat eggs, sugar, oil, and pumpkin till light and fluffy.  Stir together flour, baking powder, cinnamon, salt, soda, and spices.  Add to pumpkin mixture.  Spread in greased 15"x10" pan.  Bake at 350 degrees for 30 minutes.  Cool.

Cream Cheese Frosting:
2 (3-oz) packages cream cheese
1 cup butter
2 tsp vanilla
4 cups powdered sugar

Cream together cream cheese, butter, and vanilla.  Gradually add powdered sugar and mix until smooth and creamy.