The starfruit, also called carambola, is one of the coolest-looking fruits. Three Parts:Preparing to Slice StarfruitCutting the Green Edges Off the Starfruit, like all citrus fruits, contains acids, so be careful to keep it of your eyes and away from. Here are a few suggestions on how to prepare and eat star fruit. Toss slices of star fruit with other tropical fruits to create a colorful blend of sweet-and-sour. Is starfruit a citrus fruit evistar university of california cooperative extension family fruits all at when you cut.