Preheat oven to 350°F
Grease a 10x15 cookie sheet or jelly roll pan and set aside
In a large mixing bowl, beat eggs, oil, sugar, and pumpkin puree until combined
Slowly beat in dry ingredients until smooth (*option to mix all dry ingredients together in a separate bowl before doing this if desired)
Pour mixture into prepared pan and spread into an even layer
Bake for 25-30 minutes, until a toothpick inserted into the center comes out clean*
Allow to cool completely before covering with frosting
To make frosting, in a large bowl beat cream cheese and butter together until smooth. Add in vanilla extract, and confectioners sugar (1/2 C at a time) and continue to beat until smooth. If a thicker texture is desired, add an additional 1/4 C confectioner's sugar and beat until combined and smooth.
Spread cream cheese frosting evenly over pumpkin bars
Cut into squares, serve, and enjoy!
Store leftover bars in a covered, air-tight container in the fridge for up to 5 days