Remember when we thought you should avoid fat at all costs? Avocados are certainly fatty fruits (yes, they are a fruit) with about 75 percent of their calories coming from fat. But, that fat is actually good for you and may be able to lower your cholesterol. More reason to eat up, right? Food & Wine's guide helps you to add avocado to any dish and take it from a paltry snack to a hearty dinner.