Prize-Winning Pumpkin Bars

Ingredients

• ½ teaspoon ground ginger
• 1 cup vegetable oil
• 1 15-oz can pumpkin
• ½ teaspoon ground nutmeg
• 6 tablespoons unsalted butter, room temp
• 2 cups sugar
• 2 cups all purpose, unbleached flour
• 1 teaspoon vanilla extract
• 2 cups powdered sugar, sifted
• ½ teaspoon salt
• 6 ounces cream cheese, room temp
• 1 teaspoon baking soda
• 4 eggs
• 2 teaspoons baking powder
• 1 tablespoon milk
• 2 teaspoons cinnamon
• ½ teaspoon ground cloves