Preheat the oven to 200 degrees and grease the pan with oil or butter.
In a small saucepan cook the cranberries, sugar and water for 10 minutes.
In a large bowl mix flour with sugar, baking powder, salt and nutmeg(optional)
In a separate bowl mix egg with milk, vanilla essence and melted butter.
In a muffin tray add the cranberry sauce and after the composition. Put the tray in the oven and bake about 14-18 minutes.