Ingredients:
1 3/4 cups whole wheat flour
1 1/2 cups white flour
1/3 cup oil
3/4 tsp salt
1 cup water

Directions:
Mix flours together in large bowl.
Blend oil, salt and water together.
Add liquid mixture to dry, mixing well but as little as possible.
Roll as thin as possible on unoiled cookie sheet (or the back of a jellyroll pan) -- not more than 1/8" thick. 
Mark with knife for size crackers desired, but do not cut through.
Prick each cracker a few times with a fork. 
Sprinkle lightly with salt or onion salt, if desired.
Bake at 350°F until crisp and light brown, about 30 minutes.
Break apart at scored marks.