Spinach Holiday Butter Cookies

These delightful little cookies are naturally festive with their green color due to none other than - spinach! Butter, flour and sugar all grace the cookies as well, yet your loved ones get the bonus of some folic acid and no toxic artificial dyes.
Ingredients
2/3 c. frozen spinach
2 eggs
1 c. softened butter
3 t. vanilla
2 c. white flour
1.5 c. whole wheat pastry flour
1 1/2 t. baking soda
1/2 t. salt
Directions
1. In a food processor, combine spinach, sugar, and softened butter until well mixed and spinach is finely pureed with no large chunks.
2. Adding 1 cup of the flour in the food processor gives the mixture a good base to which you can easily add the remaining ingredients. Transfer mixture to a mixing bowl, adding the eggs, vanilla.
3. In a separate bowl, combine all dry ingredients until well blended. Slowly incorporate flour into dough mixture. Refrigerate minimally 2-4 hours. Bake at 375 degrees for 8-10 minutes.