Preheat the oven to 180C (350F). Using a pastry brush, paint the insides of an 8 inch loaf tin with melted butter. Set aside.
In a small bowl pour the warm water, sprinkle yeast over it and stir. Add honey and mix well. Set aside for few minutes until it bubbles and swells.
In a large bowl combine flours, salt and oats. Add the yeast mixture and mix well. Spoon dough into prepared tin, cover tin with a clean tea towel and leave in a warm spot to rise for 30 minutes.
(You may sing to the dough at this point.)
Take the tea towel off and put the tin the oven. Bake in pre heated oven for approximately 40 minutes until risen and cooked. Enjoy warm with lashings of salted butter.