Preheat
Preheat oven to 170°C (150°C for fan forced).
Mix
Mix cake mix, eggs, 80g melted margarine, water and melted chocolate together with wooden spoon.
Pour into greased square cake pan.
Bake
Bake at for 45 mins.
Choc Fudge Icing
Add icing mix from Green's Really Good Chocolate Cake pack to 40g melted margarine and milk.
Mix with wooden spoon until smooth.
Spread over cooled cake.
Tip
To make extra “fudgy” icing, prepare choc fudge icing the day before and store, covered, in refrigerator, overnight.