Everyone in South Dakota has a favorite guilty pleasure, but some of these so-called "junk foods" aren't as unhealthy as you might think. Read More: This Minnesota City Just Ranked Among the Fittest in AmericaHere are 10 junk foods that can be good for you:1. Beef Jerky: A South Dakota favorite! Pickles: Low in calories and surprisingly satisfying, pickles also provide electrolytes, especially after a hot South Dakota summer day. Even healthier junk foods can become unhealthy if you overdo them.