Add remaining broth mixture 1/2 cup at a time, stirring frequently, until each portion of the broth mixture is nearly absorbed before adding the next (about 25 minutes total). (alidaskitchen.com)
Repeat with remaining broth in two batches, cooking and stirring until absorbed, about 5 minutes per batch. (vegetariantimes.com)
Add the mushrooms to the skillet along with the 1/4 cup of remaining broth. (azgrabaplate.com)