Prepare the dough for:

with these changes: Steep the buttermilk with ¼ teaspoon saffron before adding (this gives the breads a golden color). Increase the sugar to 6 tablespoons (75g). Let the dough go through the first rise as directed.

Meanwhile, prepare:

Roll the dough out to a 22 × 11-inch rectangle, spread with the filling, then form and let rise as for Danish Coffee Cake. Bake as for Yeasted Coffee Cake. If desired, glaze with: