Pumpkin Bars

Name: Pumpkin Bars
Prep time: 10 min
Total time: 10 min
Cuisine: American
Ingredients: 1 1/2 c. unsweetened pumpkin puree; 3/4 c. vegetable oil; 2/3 c. packed light brown sugar; 2/3 c. granulated sugar; 2 large eggs; 1 1/2 tsp. vanilla extract; 1 1/2 c. all-purpose flour; 2 tsp. pumpkin pie spice; 1 tsp. baking powder; 3/4 tsp. baking soda; 1 tsp. kosher salt; Baking spray with flour; 1 (8-oz.) block cream cheese, softened; 1/2 c. (1 stick) unsalted butter, softened; 1 tsp. pumpkin pie spice; 5 c. powdered sugar