Vanilla-apricot jam buns (Buchteln)

We’re getting our Austria on with these buns; one of us is contemplating a visit and the wish-list itinerary is quickly filling up with Schloss Schönbrunn, sausage, strudel, Strauss, the Christmas Markets at Spittelberg, sachertorte, the Secession Building, and everything to do with Sisi. And schnitzel. All the ’S’ things, basically...