There's a hint of lemon, then there's the sweetness from the plums and then a subtle texture and sweetness of the cake's topping that incorporates a small amount of sugar and generous helping of slivered almonds. This Plum-Almond Cake is sure to be a favorite and comes from the new book "Williams-Sonoma Rustic Italian: Simple, Authentic Recipes for Everyday Cooking" by Domenica Marchetti.