Classic Beef Barley Soup (slow cooker)

From SouthernFood

INGREDIENTS:

• 1 1/2 pounds lean ground beef
• 1/2 cup chopped onion
• 1 clove garlic, minced
• 2/3 cup pearl barley
• 3 to 4 medium carrots, diced
• 3 ribs celery, diced
• 1 (28 oz.) can tomatoes
• 3 1/2 to 4 cups beef broth
• 2 c. water
• 1 (10 1/2 oz.) can tomato soup (optional)
• 1 bay leaf
• 1/4 c. minced parsley
• Salt and pepper to taste

DIRECTIONS:

1. Brown ground beef, onion, and garlic in skillet.
2. Drain well, then transfer meat mixture to slow cooker.
3. Add barley and remaining ingredients. 
4. Cover and cook on high 1 hour, then on low 5-6 hours.