Japanese Konnyaku Jellies - Gel sweets with fruit inside. Similar to jello, just slightly different. Easy to make. Ingredients: konnyaku powder gel mix, citric acid, hot water, fruits. Fyi, konnyaku is a digestible starch made from a plant. It is considered safe to eat and is used in numerous Asian recipes. It makes both savory and sweet foods, for example, noodles and jelled cubes for soups.