Grandma's Ground Beef Stew

Name: Grandma's Ground Beef Stew
Prep time: 20 min
Cook time: 1 h
Total time: 1 h
Yield: 6
Ingredients: 1 lb Ground beef; 1 Bay leaf, large; 2 Carrots, large; 2 stalks Celery; 1 tbsp Garlic; 1 Onion, large; 1/2 lb Potatoes; 2 sprigs Thyme, fresh; 2 1/2 cups Beef stock; 1 tbsp Worcestershire sauce; 2 tbsp All purpose flour; 1 packet Gravy mix, brown; 1 tbsp Olive oil; 1/2 cup Water