3 fresh plum tart sour Recipes

all-purpose flour, cold unsalted butter , cut into 1/2-inch pieces, sugar, salt, grated fresh lemon zest, egg yolks, sugar, cornstarch, plums (preferably prune ), halved and pitted, fresh lemon juice, creme fraiche or lightly sweetened sour cream

sheet frozen puff pastry (half of 17 1/4-oz package), thawed, egg, beaten to blend, sliced almonds, toasted, sugar, all purpose flour, red plums (such as santa rosa, about 8 large), pitted cut into 1/3-inch-thick wedges, plum preserves, water, chilled whipping cream, sour cream