Trillions of cicadas are taking over some parts of the eastern U.S. for the first time in 17 years. While simply annoying, loud, and gross to some, others have waited almost two decades for this tasty treat, and they are revealing their cicada recipes. People are grilling, sauteeing, and serving up these bugs, called Brood X. And with about 1.5 million of them per acre, there's plenty to pass around the table, maybe as Spicy Popcorn Cicadas or Cicada Cookies? Filled with alternate, which is a sustainable protein, they…