Hamburger Soup

1 1/2 pounds lean ground beef
1 medium onion, chopped
1 cup sliced carrots
1 cup sliced celery
1 cup sliced cabbage
6 ounces tomato paste
2 teaspoons Worcestershire sauce
3 cups beef bouillon or stock

In skillet, brown hamburger and drain thoroughly. Add onion, carrots, celery and cabbage.

Combine tomato paste, Worcestershire sauce and beef stock/bouillon. Add to crock pot with ground beef and stir to blend. Cover and cook on LOW for 8 to 10 hours or on HIGH for 3 to 4 hours.