Trim beef from bones and cut into 3 to 4-inch pieces. To a pot of boiling water, add the beef and boil until no longer pink. Drain.
Heat oil over medium heat until hot in a Dutch oven or stock pot, add chopped onions and brown evenly. Add the beef, broth, and bay leaves, cover tightly and simmer 2 hours.
Preheat the oven to 375 degrees F.
Peel the potatoes, cut into 4-inch pieces and fry until golden brown and tender in oil that has been heated to 350 degrees F. Drain on paper towels.
Cut puff pastry into pieces that will fit over 6 ovenproof bowls. To the bowls, add beef cubes, sauce, prunes, potatoes, garlic, dill, salt and pepper and cover with dough. Bake for 20 minutes, until pastry is golden brown.
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.