Preheat oven to 350 degrees fahrenheit.
In a bowl mix all ingredients one at a time, stirring well after each addition.
Knead dough into ball and roll onto a heavly floured surface (the dough is very elastic and sticky) 1/4 inch thick and cut with you cookie cutter of choice.
Brush tops of biscuits with egg white for a shiny surface and prick with a fork to prevent bubbles. Place on ungreased cookie sheet and bake for 15 to 20 minutes or until browned at the edges.
Cool and refrigerate.
Makes 2 to 3 dozen bones.