Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking pan.
In a medium bowl, stir together the flour, baking powder, pumpkin pie spice, and salt. Set aside.
In a large bowl, cream together the butter and sugar until smooth. Beat in the egg, then stir in the pumpkin and vanilla. Gradually stir the dry ingredients into the pumpkin mixture until everything is combined. Spread evenly into the prepared pan.
Bake for 25 to 30 minutes in the preheated oven, until the top is lightly browned. Allow to cool before cutting into bars.
Interesting Facts
Pumpkin bars are a classic Fall treat.
Pumpkin is a type of winter squash and is a great source of dietary fiber, vitamin A, potassium, and other nutrients.
These bars are perfect for holiday celebrations, potlucks, or just a special treat.