Pumpkin Pie Bars Recipe | King Arthur Baking

Ingredients

• 12 tablespoons (170g) unsalted butter, at room temperature
• 1/2 cup (107g) light brown sugar, packed
• 2 1/2 cups (270g) King Arthur Unbleached All-Purpose Flour
• 1/2 teaspoon salt
• one 15-ounce can (425g) pumpkin purée
• one 14-ounce can (397g) sweetened condensed milk
• 2 large eggs
• 1 tablespoon King Arthur Unbleached All-Purpose Flour
• 1 teaspoon King Arthur Pumpkin Pie Spice
• 1/4 teaspoon table salt
• 1 cup (227g) heavy cream
• 1/4 cup (57g) sour cream
• 2 to 4 tablespoons (14g to 28g) confectioners' sugar, sifted if lumpy
• 1 teaspoon King Arthur Pure Vanilla Extract, optional