Nam Phrik Kapi (Shrimp Paste Chilli Sause) – Thai Food… One of the staple dipping sauces, this sauce relies on shrimp paste, a key ingredient, for its distinctive flavor. Bake kapi slightly and in a mortar pound it with various other ingredients. When finished, the sauce has a puce, flowing, yet consistent texture, garnished with pea eggplants and chillies floating on top. It is eaten with fried mackerel or cha-om omelet, and a variety of fresh and cooked vegetables.