Amount Measure Ingredient -- Preparation Method
-------- ------------ --------------------------------
1 1/2 cups Flour
1 1/2 cups Whole wheat flour
1 tsp. Garlic powder
1 cup Rye flour
1 Egg
1 cup Oats
1/2 cup Vegetable oil
1 cup Cornmeal
1 3/4 cups Beef broth
1/4 cup Liver powder -- available in health
food stores

Place oven rack in upper third of oven. Heat oven to 300F. Line a cookie
sheet with foil. Mix flours and all other dry ingredients in a large bowl. Add
egg, oil, and beef broth. Mix the dough, adding enough additional flour to
make a dough that can be rolled. On a floured surface, roll to 1/2"
thickness, then cut into heart shapes with floured heart cookie cutter or
pattern cut from cardboard (2" dia. for small dog; 3 1/2" for large). If using
pattern, flour top of dough first. Place hearts 1" apart on foil-covered
cookie sheet. Reroll scraps. With a skewer prick a line of dots halfway
through dough 1/4" from sides and down centers. Bake for 2 hours. Turn
the oven off, and let biscuits stand in oven overnight to harden. Can be
stored in plastic bags at room temperature up to 3 months. Makes about 24
- 3 1/2" hearts.