One Ounce Offers ComparisonsMany processed chips, cookies, bars and dessert type items indicate a one ounce serving size on their Nutrition Facts Panel. This is very telling about the calorie density of packaged foods.Here are the calories in various fruits and vegetables, per one ounce:

Whereas most cookies, pretzels, crackers, bars and chips are between 140 to 160 calories per ounce (28 grams), even if they are baked, fat-free, whole grain or trans-fat free! This clearly shows that fruits and veggies are the way to go for snacks for those watching their waist.