Cinnamon Raisin Swirl Bread

I’ve loved raisin bread with an appetising-looking cinnamon swirl running through it since childhood, but my attempts to duplicate the cinnamon swirl of industrially made bread have always resulted in the baked bread having gaps around the cinnamon part. When I did a chocolate swirl bread for BAKE!, I decided to add the chocolate to a third of the dough, and this is exactly the technique I’m using here - the raisins are distributed throughout the white dough, and the cinnamon is adde