Cream 150g margarine with 250g caster sugar.
Blend in 75g melted milk chocolate (easter egg!) and 3 egg yolks.
Gradually add 250g sifted self raising flour and 180ml milk and mix until smooth.
Beat the 3 egg whites until stiff, and carefully fold into the mixture.
Bake at 180 degrees for 35 - 40 minutes.
Allow to cool, then cover with more melted easter egg, and sweets as desired.