It’s hard to pinpoint why certain foods develop a cult following. Whether it’s the Easter candy Peeps or a cream-filled Twinkie, some foods solicit an emotional response that simply can’t be explained. For loyalists, there is no greater adventure than touring the factory where their favorite food is made. Some cult food brands, such as Nutella, guard their secret recipes tight and close their factories to the public. Others aren’t allowed to give tours because they are FDA-regulated food plants. Nevertheless, we’ve rounded up a few factory tours for perfect for dedicated food followers.