Mix together whole wheat flour, all purpose flour, cornmeal and oats. Make a well in the center of the dry ingredients and gradually pour in water, oil, eggs, peanut butter and vanilla. Mix well.

On flat surface, roll out dough on well floured surface to ¼-½ inch thickness. Cut dough with cookie cutter of your choice.

Place biscuits on prepared baking sheet. Bake for 20 Minutes. Leave on pan once removed from oven, to harden.