Cream Cheese Frosting w/Pumpkin Bars

Ingredients: 2 cups all-purpose flour 1 ½ cups granulated sugar 2 teaspoons baking powder 2 teaspoons ground cinnamon 1 teaspoon baking soda ¼ teaspoon salt ¼ teaspoon cloves 4 eggs 1 15 oz can pumpkin 1 cup cooking oil (I used olive oil) Frosting: ¼ cup butter 3 oz. cream cheese 1 teaspoon vanilla 2 cups powdered sugar