Wash the orange and cut into quarters.
Remove any pips and place the flesh and peel into a food processor.
Add sugar and process until smooth.
Add The Good Oil along with the eggs and process to combine.
Sift flour and baking powder and add to the processor with the milk.
Pulse the processor to just combine.
Pour batter into a baking paper lined 20cm square pan.
Bake 180C for 35 minutes. Or until the cake springs back when lightly touched.
Tastes even more delicious served with whipped cream which has had marmalade folded through it. Sweeten cream with a little sugar if required.