Pumpkin Bars with Cream Cheese Frosting

4 eggs
1 2/3 C sugar
1 C vegetable oil
1-15 oz can pumpkin
2 C sifted all-purpose flour
2 tsp baking powder
2 tsp ground cinnamon
1 tsp salt
1 tsp baking soda

Cream Cheese Frosting
1-8 oz pkg cream cheese, softened
1⁄2 C butter or 1/2 C margarine, softened
2 C confectioners' sugar
1 tsp vanilla extract

ground cinnamon for garnish

Preheat oven to 350 degrees.  In a mixing bowl, beat eggs, sugar, oil, and pumpkin at medium speed with an electric mixer until light and fluffy.  In a separate bowl, combine flour, baking powder, cinnamon, salt, and baking soda. Add to pumpkin mixture and beat at low speed with an electric mixer until thoroughly combined and batter is smooth.  Spread batter in an ungreased nonstick 13 x 10-inch baking pan. Bake for 30 minutes. cool completely before frosting. 

For frosting: In a mixing bowl, beat cream cheese and butter at medium speed with an electric mixer until smooth. Add confectioners' sugar and beat at low speed until combined. Add vanilla and beat until desired consistency is reached.  If desired, garnish with ground cinnamon.