In this article published by Patriot Health, the author reviewed foods often considered to be "unhealthy" and discusses how these foods may be more nutritious than they appear.
Regardless of whether a food is deemed "healthy" or not, it can be worked into the diet in moderation. Therefore, there is never a need to ban any food from the diet, especially if it's one you enjoy!
Some of the foods mentioned in this article are pizza, egg yolks, and popcorn. Check out the full article for more foods and health misconceptions: Hyperlink to the original article