Smoked Pork Knuckle Soup with Root Vegetables

Name: Smoked Pork Knuckle Soup with Root Vegetables
Prep time: 15 min
Cook time: 24 min
Total time: 39 min
Yield: 4
Ingredients: 2 tbsp butter; 1 leek; 2 carrots; 1 parsnip; 2 celery stalks; 1 tsp thyme; 1 l vegetable stock; 2 potatoes; 200 g pork knuckle; 1 handful parsley; salt and pepper, to taste; bread, as needed