Mix together: 2 cans pumpkin puree, 2 small cans tomato only paste, 1 cup peanut butter (chunky or creamy), Optional! 3/4 cups ground flax seed.
Stir in: enough flour (whole wheat, oat, etc.) to make dough. Knead and roll into long ropes. Cut into 2 to 3 inch lengths. Bake at 225 degrees until dry. Happy cooking!