• Preheat oven to 350 degrees F (175 degrees C).
• Spray a large jelly roll pan with cooking spray.
• Combine the flour, baking powder, 2 teaspoons cinnamon, baking soda, and salt in a separate bowl. Stir to mix well. Set aside.
• In a large bowl, beat the eggs with an electric mixer until foamy.
• Add the granulated sugar, oil, and pumpkin, beating on medium speed until incorporated, about 2 minutes.
• Add the flour mixture to egg mixture , beating on low speed until just combined, - about 1 minute.
• Pour the batter into the prepared pan. Bake in the preheated oven until a toothpick inserted in the center of the cake comes out clean, about 25 minutes.
• Cool completely before frosting with cream cheese frosting.

For the Frosting

• Using an electric mixer, beat the cream cheese, butter, and vanilla together in a bowl until light and creamy.
• Gradually add the powdered sugar, beating until combineid and fluffy.
• Spread frosting evenly over the cooled pumpkin cake.