world class pumpkin bars

Ingredients

• 2 cups sugar
• 1 cup vegetable oil
• 4 - lg eggs, room temperature
• 2 cups pumpkin (1 16oz can)
• 2 teaspoons pumpkin pie spice
• 1 teaspoon salt
• 2 teaspoons baking powder
• 1 teaspoon baking soda
• 2 cups all purpose flour
• 1 cup walnuts or pecans, chopped
• 1 package cream cheese (8oz)
• 1 1/2 sticks butter, softened
• 4 cups powdered sugar
• 2 teaspoons milk
• 2 teaspoons pure vanilla extract