Preheat your oven. Cream sugar and margarine together till pale in color

Mix flour with baking powder then sieve in a different bowl

Mix the creamed mixture with eggs then add the dry ingredients

Add the rinds and the lemon juice the mix while folding in.

Add the milk little by little to get the consistency that you want.

Grease your baking tin and pour the butter. Bake for 40 mins at 180degrees