Crab Salad Rolls with Ginger-Plum Sauce. This tropical twist on sushi will please everyone, especially those who shun raw seafood. This version uses crabmeat, avocado, and mango for a light and summery roll that is sure to be the highlight of any event. Only you will know just how easy it was to prepare this spectacular starter. Note: Keep work surface and ingredients dry, or the thin soybean mame nori wrapper will "melt."