Pumpkin Bars

Bars:
2 cups flour
2 tsp baking powder
1 tsp baking soda
1 (15 oz) can pumpkin
1 1/2 cups sugar
2 tsp cinnamon
1/4 tsp salt
4 beaten eggs
1 cup oil

Combine all dry ingredients, then mix in the rest.  Spread in greased cookie sheet.  Bake at 350 for 25-30 minutes.  Check at 15-20 minutes...  (I have both times listed so I don't know which is correct!  I will fix the post next time I make them.)

Frosting:
16 oz cream cheese
11 tbsp butter
1 tsp vanilla
Approx 3 cups powdered sugar