Sift flour, baking powder, bicarb of soda, cinnamon & nutmeg into a large bowl. Stir in brown sugar & apple. Combine egg, milk & butter & mix well. Add egg mixture all at once to flour mixture. Stir gently, with a fork until all dry ingredients are just moistened. Spoon into muffin tins ⅔ full. Bake 15 – 20 minutes in a preheated oven of 200 degrees Celsius.