Step 1

Preheat oven to 160C.

Step 2

Grease a deep 25cm round cake pan with baking paper.

Step 3

Beat butter, rind and sugar in a large bowl with an electric mixer. Stir in half the self raising flour, half the plain flour and half the sour cream.

Step 4

Once mixed add the remaining sour cream and remaining flours.

Step 5

Spread mixture into pan. Bake for 1 hour and 20 minutes or until cooked.

Step 6

Allow to cool on a wire rack. This cake can be served plain or top with icing sugar and strawberries.