Dogs are used to sniff around for this exotic plant, which usually grows under oak trees. If there are no white truffles available at Passover, Moroccans go crazy. Passover food evokes poignant memories of seders from long ago. Although Moyal has lived in America for two decades, in recent years she has started to really miss her homeland, where her parents still reside. Like them, much of Morocco's Jewish population consists of couples whose grown children have emigrated to other countries.
Place dates in food processor.
Using metal blade, grind until dates are broken into tidbits the size of raisins. Add remaining ingredients and process until nuts are finely ground and mixture clumps together. Roll into balls inch in diameter. Serve balls wrapped in lettuce leaves. Make matzah-charoset sandwiches by placing charoset ball between two small pieces of matzah and wrapping lettuce around it.