Ar-arosip is a traditional Ilocano delicacy.  It is a  kind of edible seaweed and is best as an appetizer. Ingredients: 1/4 k of ar-arosip (lato / sea weeds) 2 pcs of ring onions 1 pc of onion calamansi Preparation Procedure: Wash ar-arosip to get rid of any dirt or sand clinging in the morsel-like weed. Toss it with fresh tomato slices and ring onions. No need to for salt  as this is already salty. Add calamansi if desired. Serve fresh...