Remove flesh from the durian and discard the seeds.Puree the flesh in a food processor. Beat butter and sugar together until smooth, then beat in the egg yolks. Sift flour and beat it into the butter mixture. Beat in the durian pulp.
3
Whip egg whites into stiff peaks and fold them into the mixture. Bake cake in a greased, 8" cake pan for 1 hour, or until cake is done when tested with a toothpick.