Preheat to 350.

Put egg yolks & sugar in bowl & whisk until thick & creamy. Add all remaining ingredients, except egg white, & fold carefully until mixture is smooth.

Whisk egg whites until stiff, then fold into cake mixture. Pour into prepared loose bottom greased cake pan & bake 1 hour.

For frosting, cream the cheese & confectioners sugar together. Add a little grated peel & juice to flavor. Spread over top of cooled cake using knife dipped in hot water. Sprinkle with orange peel to decorate.

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