Hungarian Stuffed Cabbage Rolls (Töltött Káposzta)

Ingredients

• 1 large head green cabbage
• 1½ lb (700 g) ground pork
• ½ cup uncooked rice
• 1 large onion, finely chopped
• 2 cloves garlic, minced
• 2 tbsp Hungarian sweet paprika
• 1 tsp salt
• ½ tsp black pepper
• 1 tsp caraway seeds
• 1 lb sauerkraut
• 1 cup smoked sausage, sliced
• 2 cups crushed tomatoes
• 2 cups chicken or pork broth
• 2 bay leaves
• 2 tbsp vegetable oil or lard
• Sour cream, for serving