This homemade beef barley soup is a complete meal in a bowl. Loaded with tender beef, thickly sliced mushrooms, plump barley and studded with carrots and celery, this beef and mushroom barley soup can be made ahead of time, freezes great, and is the perfect hearty soup to warm your body and soul!

Pearled barley is such a great grain for soup-making,  it can usually be bought in the bulk section and only needs a quick rinse before adding to a soup recipe. The starch released during the simmering...