Hungarian Meatballs (Húsgombóc)

Ingredients:

• 500 g (1 lb) ground pork or pork + beef
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 1 slice bread or 2 tbsp breadcrumbs, soaked in milk
• 1 egg
• 1 tsp salt
• ½ tsp black pepper
• 1 tsp paprika
• 1 tbsp parsley, chopped (optional)
• 2 tbsp oil

For the sauce (optional):

• 1 tbsp oil or butter
• 1 tbsp flour
• 1 tsp paprika
• 500 ml (2 cups) broth
• 100 ml (½ cup) sour cream