These treats are not only dog approved, they’re waistline-friendly, thanks to Dr. Ernie Ward. These days holiday gifts often extend to furry family members too. These treats, created by Dr. Ernie Ward, are tasty and feel like a special indulgence while being low-calorie and friendly for your patients' diets. Check out the recipes and a step-by-step video below, or click here to download a printable recipe card. Sweet potatoes contain vitamins A, C and B , and thery pack a fiber punch.