Preheat oven to 350 degrees fahrenheit and line a baking sheet with parchment paper or a silicone baking mat.
In a large bowl mix all ingredients one at a time, kneading well after each addition.
Knead dough into ball and roll onto a floured surface 1/4 inch thick. Cut with the cookie cutter of your choice.
Place on your prepared cookie sheet and bake for 10 to 15 minutes. Cool and refrigerate.
Makes 3 to 4 dozen bones