Norwegian rullekake is a sponge cake ... Otherwise known as Swedish saffron buns or St. Lucia buns, and a St. Lucia Day treat enjoyed by celebrity chef Marcus Samuelsson, this fragrant dessert ...

When risen, press down an egg-sized indentation into each bun and fill with the custard. Brush the bun with beaten egg. Bake for 20 minutes, or until golden-brown.

Rich yeast buns, with a vivid yellow colour ... Remove from the heat and lightly crumble the saffron threads between your fingers into the milk, then stir. Stir in the clotted cream and butter ...