Ash-e Reshteh, a thick noodle and herb soup often eaten around Nowruz, is traditionally garnished with fried onions, mint oil, and which strained, tangy dairy product?

• A Kashk ✓
• B Labneh
• C Paneer
• D Sour cream

Kashk is made from strained, fermented yogurt or whey and adds a distinctive tang to many Persian dishes.