Slow Cooker Beef and Barley Soup

INGREDIENTS

• 1 pound stewing beef
• 1/2 cup all-purpose flour
• 1/2 teaspoon kosher salt
• 1/2 teaspoon ground black pepper
• 3 tablespoons extra virgin olive oil
• 2 cups sliced carrots, peeled
• 1 cup chopped celery
• 1 1/2 cups chopped onion
• 2 cups sliced cremini mushrooms
• 1 medium zucchini, sliced and chopped
• 3 tablespoons minced garlic
• 1 small jalapeno (optional)
• 2-3 tablespoons fresh chopped thyme leaves
• 64 ounces reduced sodium beef broth
• 8.8 ounces barley
• 1 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• 2-3 tablespoons Worcestershire Sauce
• 1/4 cup chopped fresh parsley