Grandma's pork roast with sauerkraut & bread dumplings

Ingredients

• 1 pork belly
• 10 potatoes
• 1/2 celery root
• 2 carrots
• 3 onions
• 5 cloves garlic
• 1 white cabbage
• 2 eggs
• 500 dumpling bread
• 2 1/8 cups milk
• 1 pinch ground nutmeg
• 1 oz butter
• 1 sprig parsley
• 1 tbsp flour
• 1 cup apple cider vinegar
• 2 bay leaves
• 1 tbsp salt
• 1 tbsp cumin seed
• 3 tbsp sugar
• 1 tbsp brown sugar
• 2 1/8 cups Pils beer
• 3 tsp lard
• 1 sprig thyme
• 1 sprig rosemary
• 1 tsp mustard seed
• 1 tsp pepper