Tusun Jelly is a well-known Chinese style cookie of Xiamen. Sea worm, literary called “sipunculid”, is a kind of worm found in muddy seabed. Before the cooking, the sea worm should be washed to remove the guts and sands thoroughly. When the worm is cooked tenderly, the pectin of it mixes with water and finally become a kind of jelly. It is extremely refreshing and tasty.