Beef Barley Stew - The Recipe Wench

Ingredients

• 1 Pound flank steak (trimmed of excess fat and cut into bite-sized cubes)
• 2 Tablespoons olive oil
• 1 Medium onion (finely chopped)
• 2 Cloves garlic (minced)
• 2 Cups sliced mushrooms
• 2 Cups sliced carrots
• 4 Cups beef broth
• 1-2 Cups water
• 1 Cup pearl barley
• 2 bay leaves
• salt and pepper to taste
• 3 Cups fresh spinach, chopped
• balsamic vinegar (to drizzle on top just prior to serving)