Hungarian Stuffed Cabbage Rolls (Töltött Káposzta)

Ingredients

• 1 large head cabbage
• 1 lb ground pork or beef
• ½ cup uncooked rice
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 1 tbsp Hungarian paprika
• Salt and black pepper to taste
• 2 cups tomato sauce
• 1 cup sauerkraut (optional)
• 2 tbsp oil
• 1 cup sour cream for serving