1 cup oatmeal
1/3 cup butter
1 teaspoon beef bouillon granules
1/2 cup hot water
3/4 cup powdered milk
3/4 cup cornmeal
1 egg -- beaten
3 cups whole wheat flour

Combine oatmeal, butter, and bouillon granules in a large bowl.
Pour hot water over this and let stand for 5 minutes.
Stir in powdered milk, cornmeal, and egg.
Add flour 1/2 cup at a time, mixing well after each addition.
Knead for 3-4 minutes, adding more flour if needed to make a very stiff dough. Pat or roll out dough to 1/2" thickness, then cut into bone shaped pieces.
Place in a greased baking sheet.
Bake at 325* for 50 minutes.
Allow to cool and dry out till hard.