Pumpkin Bar Recipe

Here's the recipe for the yummy pumpkin bars I made for our Autumn Open House.  My mom has been making this recipe for family gatherings for years.  thanks Mom! Beat together 1 c. oil, 4 eggs, 1  2/3 c. sugar, 1  15 oz can pumpkin until light and fluffy. Add 2 c. flour, 2 t. baking powder, 1 t. baking soda, 1 t. salt, 1  1/2 t. cinnamon.  Mix thoroughly.  Spread batter into greased 15x10x1 inch pan.  Bake at 350 degrees for 25-30 minutes.  Cool.  Frost with cream cheese icing. Cream Cheese icing:  Cream together 3 oz softened cream cheese, 1/2 c. softened butter.  Stir in 1 t. vanilla.  Add  2 c. powdered sugar, a little at a time, beating well, til mixture is smooth. A wonderful autumn treat!