It all started with the bluebonnet, back in 1901. Then came the gemstone cut and flying mammal. As the "official" list of Texas grew over the years, it encompassed a snack, tartan design and musical instrument. One year, the state almost had an official molecule and a fungus, but those ideas didn't make the legislative cut. As it stands, Texas is without an official pastry, as the sopaipilla and strudel law expired in January, apparently with little notice. Now the cast iron Dutch oven is about to emerge as the state-sanctioned cooking implement. Observers might think enough is enough with...