Cooked Bulgur with Mushrooms for Weekdays and Shabbat

Most people know Bulgur from Tabbouleh salad, where all you need to do is soak the Bulgur in hot water for about 20-30 minutes, and the grains soak up all the water and become soft.  Then you put the grains in a salad and there you go! First off what exactly is Bulgur?  Bulgur wheat …