Preheat the oven to 180 ° C. Whisk the eggs with the sugar with an electric whisk for 5 minutes until the mixture whitens and doubles in volume. Add flour and mix well.
Add the butter. Pour into non-Stick 6 cup lamington pan and cook for 10-15 minutes. Take out of the oven and let cool.
Melt the chocolate, pass each cake inside and then pass them through the coconut. Place on a rack and let dry (well, you have to be able to do it, have the strength to let the chocolate harden!) Enjoy ...