Rover's Reward Dog Biscuits

3/4 cup hot water or meat juices
1/3 cup bacon grease or margarine
1/2 cup powdered milk
1/2 teaspoon salt
2 teaspoons sugar
1 egg -- beaten
3 cups whole wheat flour -- (approximately)

In a large bowl, pour hot water or juices over grease or margarine. Stir in powdered milk, salt, sugar, and egg. Add flour, 1/2 cup at a time, mixing well after each addition. Knead 4 to 5 minutes adding more flour if necessary to make a very stiff dough. Pat or roll to 1/2 inch thickness. Cut into bone shapes and place on a greased baking sheet. Bake at 325û for 45 minutes.

- from Recipes Online