You might feel as though you know your favorite fast-food restaurants a little too well, but we guarantee there are some things even the most frequent customers don't know. Between former employees who have spilled their secrets in Reddit AMA ("Ask Me Anything") conversations and company representatives whom POPSUGAR Food has spoken to directly, we've gathered some eye-opening facts about popular fast-food restaurants that you'll be glad you learned. Read on to discover the answers to burning questions you've always had about McDonald's, KFC, Taco Bell, Chick-Fil-A, and more.
