10 Healthful Snacks That Won't Break the Calorie Bank By Katherine Hobson Oct. 23, 2009 Comments SHARE 4. One handful of red grapes. Next » 5 of 11 « Back (Julián Rovagnati/iStockphoto) Freeze them for five minutes to make them sweet and crisp. [Read Vegetarian? 6 Tips for a Healthy Vegetarian Diet] Next: 5. Skinny Cow brand ice cream treat.