Fido's rewards

3/4 c  Hot Water or Meat Juices
    1/2 c  Powdered Milk
      1    Egg, Beaten
    1/3 c  Margerine
    1/2 ts Salt (optional)
      3 c  Whole Wheat flour
 
  In a large bowl pour hot water over margerine. Stir in powdered milk, salt
  and egg. Add flour 1/2 cup at a time mixing well after each addition. Knead
  3 to 4 minutes, adding more flour if necessary to make a very stiff dough.
  Pat or roll to 1/2 inch thickness and cut into bone shapes. Place on a
  greased baking sheet and bake at 325 degrees for 50 minutes. Allow to cool
  and dry out until hard. Makes approximately 1 1/4 pounds. Costs
  approximately $.25 per pound.