When margarine is still warm, add in the brown sugar and mix.
Fold in the flour.
Add eggs litle by little and continue to fold.
Pour into a pot, add the chips and cook over low heat.
Keep stirring until the mixer becomes really thick.
Remove from heat, beat with a wooden spatula continously or 5 mins.
Pour into a baking tray.
Spinkle the coconut on top and press on to the fudge.
Let it harden before cutting in shapes of your choice.