Pop the Brie in the centre of the pastry circle and then add the chicken mixture all around the edge and over the top of the Brie, patting it into a mound and avoiding the brushed egg yolk edge.
I have a suggestion for you that will surely surprise you! Chicken soup enriched with yoghurt and egg yolk is a true feast for the palate and an excellent way to use up leftover soup. Chicken soup ...