Butter cake flavoured with orange juice , orange zest and fresh mint ...

Grease and dust a 6" cake tin . Powder the sugar . Sift the flour and baking powder thrice . Separate egg whites and yolks . Beat egg whites until stiff . Pre heat the oven at 160 degree C.

Cream butter and powdered sugar well . Add orange zest . Add lightly beaten egg yolks . Beat well.

Gently fold in flour and water . Add orange juice.

Divide the batter into two equal parts . To one part add mint paste and a drop of mint green colour if needed .

Divide the beaten egg whites into two parts . Fold in one part into the mint batter and the other part into the plain batter .

Spoon in both the batter into the prepared cake tin . Give a gentle swirl on top with a toothpick . Bake for 40 minutes at 160 degree C or until done .