Slow Cooker Beef Barley Soup recipes

Name: Slow Cooker Beef Barley Soup recipes
Ingredients: 1 to 1 1/4 pounds lean stew beef, cut into 1/2-inch cubes; 1 onion, chopped (yellow or red); 2 ribs celery, chopped; 2 carrots, diced; 8 ounces sliced mushrooms; 1 tablespoon Worcestershire sauce; 1/2 cup red wine (I used Gallo Cabernet Sauvignon); 4 cloves garlic, minced or pressed; 3/4 cup pearled barley; 2-4 bay leaves; 6 cups beef broth (fat-free, lower-salt version preferred); freshly ground pepper; 1 (10-ounce) package fresh mixed greens (such as collards, turnips and mustard greens); grated parmesan cheese