Hungarian Stuffed Cabbage (Töltött Káposzta)

Ingredients

• 1 large head of cabbage
• 1½ lb (700 g) ground pork
• ½ cup rice
• 1 onion, finely chopped
• 3 cloves garlic, minced
• 2 tbsp Hungarian paprika
• 1 tsp salt
• ½ tsp black pepper
• 1 lb (450 g) sauerkraut
• 2 cups tomato sauce
• 3 cups water or broth
• 2 tbsp lard or oil
• Smoked pork or sausage, optional
• Sour cream, for serving