Instructions
Preheat oven to 350F. Spray a jelly roll pan or cookie sheet with high edges with nonstick cooking spray and line with parchment paper. Set aside.
In a large bowl, whisk together flour, sugar, brown sugar, pumpkin pie spice, salt, baking soda, and baking powder.
Stir in eggs, vegetable oil, and pumpkin puree until combined.
Pour batter into prepared pan. Smooth out batter so it is even in pan.
Bake for 25 to 30 minutes or until an inserted toothpick comes out clean. Cool completely on a wire rack before frosting.
Frost with brown butter cream cheese frosting.
Refrigerate unless serving immediately.
Brown Butter Cream Cheese Frosting
Heat butter in a small saucepan with a light bottom over low heat until completely melted. Continue heating, stirring occasionally, until light golden brown in color. Remove from heat and let cool.
Combine cooled brown butter and cream cheese in a medium bowl. Beat on medium speed until light and fluffy.