Bob Ross may be known for the phrase “happy accidents,” but there is perhaps no better accident than when a St. Louis baker biffed the butter proportions in a cake recipe, resulting in our fair city’s most iconic dessert (at least of the non-frozen variety). In the near century since that fateful error, gooey butter cake has become synonymous with St. Louis, serving as much as a source of civic pride as it is a way to keep your dentist in business.