Many of us enjoy a quick and affordable fast food meal occasionally, despite knowing it’s not the healthiest choice. We still expect a certain level of quality.

Recently, Reddit user u/n0tter started a viral thread on r/AskReddit, where fast food workers shared which menu items to avoid. Read on for their insights—just not while snacking.

Poor designs lead to poor results

Source: Twitter

Worked CircleK for 3 years – coffee is surprisingly good and machines were well maintained, but the cappuccino/iced coffee machine was disgusting and impossible to clean despite best efforts (lots of tiny parts where powdered drink mix could sit and rot). My location was next to a university and we had a regular who was an engineering professor, once he came in and watched while I was trying to clean the cappuccino machine, and said he should use it in class as an example of poor design. – Reddit