If you need to store your fresh rambutans, wrap them in a paper towel and put them in a perforated plastic bag and store them at high humidity in the refrigerator. Don’t peel them until just before you are going to serve them.Click to see full answer. Then, should I refrigerate rambutan?Rambutan is best eaten fresh. To prepare, cut or tear base of fruit; press out the translucent pulpy flesh. Rambutan are fragile and keep only a day or two at room temperature. For longer storage when not eaten immediately, wrap in a perforated plastic bag; refrigerate.One may also ask, how do you know if rambutan is bad? Even the ones that seem under-ripe should also be eaten right away. This is because, once picked, rambutans do not ripen any further; they just rot. The shriveling of the hairy spikes is the first tell-tale sign of deterioration. Keeping this in view, how do you preserve rambutan? To find rambutans, head to a specialty grocery store. Our friends at Frieda’s recommend choosing brightly colored fruits that are free from signs of leaking. Store them in a plastic bag in the refrigerator — they’ll last for up to two weeks. Getting into a rambutan is a little like a choose-your-own-adventure novel.What can you do with rambutan?Rambutans are delicious eaten out of hand or cut up in fruit salsas and salads. Puréed, they make a nice addition to smoothies, juices, and cocktails, as well as ice creams, sorbets, and granitas. Rambutans are also sometimes used in curries to balance out spicy heat.