A note about this Instant Pot Mushroom Barley Soup Recipe: While this soup is basically a vegetarian dish, it does contain beef broth. You can make this a 100% vegetarian soup by simply replacing ...

Put everything except the barley into your crock pot. Barely cover with water or stock. Cook on low for six hours. Add the barley, make sure it is covered in liquid and cook for another 90 minutes.