2 tablespoons butter (melted, for preparing pan)
3 large eggs
1 cup Sugar
2/3 cup unsweetened pumpkin purée
3/4 cup unbleached all-purpose flour
2 teaspoons ground cinnamon
1/2 teaspoon baking soda
8 ounces cream cheese (softened)
2 tablespoons butter (softened)
2 cups confectioner's sugar (sifted and divided)
1 teaspoon pure vanilla extract