Joanne’s Irish Soda Bread

450g (1lb) whole wheat flour 65g (2 1/4 oz) wheat germ 65g (2 1/4 oz) wheat bran (oat bran) 225g (8oz) pin-head oatmeal (quaker oats or steel cut oats) 2 tsp soft brown sugar 1 1/2 tsp baking soda 1 liter (1 3/4 pints) buttermilk Sesame seeds and wheat germ to...