Recipe for Ground Turkey and Barley Soup with Mushrooms and Spinach

If you enjoy barley in soup, you'll love this soup with ground turkey, barley, mushrooms, and spinach! I'm on a quest to prove that ground turkey doesn't have to be boring, and this comforting and flavorful soup was the latest recipe where I experimented with lean ground turkey as an ingredient.  The soup also has lots of brown Crimini mushrooms and chopped spinach, two ingr