3 prune sandwiches Recipes

fine fresh bread crumbs (from 2 slices firm white sandwich bread), whole milk, onion, finely chopped, garlic cloves, minced, celery rib, finely chopped, carrot, finely chopped, unsalted butter, worcestershire sauce, cider vinegar, ground allspice, bacon (about 4 slices), chopped, pitted prunes, chopped, ground beef chuck, ground pork (not lean), eggs, chopped flat-leaf parsley, garnish: cooked bacon

russet (baking) potatoes (2 large), left unpeeled, all-purpose flour, salt, unsalted butter, softened, egg yolks, unsalted butter, divided, fine fresh bread crumbs (from 1 slice firm white sandwich bread), walnuts (2 oz), chopped, sugar, divided, cinnamon, divided, firm-ripe red, black, or prune plums, pitted and cut into 1/4-inch dice