WINDOW ROCK — As Char Kruger slowly adds cornmeal to the blue-corn mush on the stove, stirring it clockwise, people begin asking questions. Should they roast cornmeal before making the blue-corn mush?

Have you ever wondered about the difference between polenta and cornmeal mush? Since they're both corn-based comfort foods that look similar, is it merely a marketing gimmick, or are these two dishes ...