In a large bowl, beat eggs, sugar, oil, and pumpkin until well blended.
In another bowl, combine the flour, baking powder, baking soda, salt, and pumpkin pie spice. Whisk together.
Next, gradually add the flour mixture to the pumpkin mixture and mix well with a mixer.
Pour the pumpkin batter into an ungreased 15x10x1-in. sheet cake pan.
Bake at 350° for 25-30 minutes or until set.
Cool completely and frost with Cheese Frosting