Pumpkin Chocolate Chip Squares

Adapted from http://www.olum.org/yduj/recipe/pumpkin-cc-squares.pdf,
for decreased fat and increased fiber.  Still just as yummy.

1/2 C butter, softened
1.25 C sugar
1 egg
2 tsp vanilla

1.5 C pumpkin puree (or other winter squash) 

2.25 - 2.5 C whole wheat pastry flour

1 tsp baking soda
1.5 tsp cinnamon
3/4 tsp ginger
1/2 tsp nutmeg
1/4 tsp allspice
1/4 tsp cloves

1.5 C chocolate chips

Combine butter, sugar, egg, and vanilla, beat until fluffy.

Stir together flour, spice, baking soda, add to mixture alternating
with pumpkin puree.

Stir in chocolate chips.

Grease and flour a 9x13 baking pan.  Bake for 30-40 min, until a
toothpick comes out clean(ish - a few crumbs are OK).