Keep the fruit as dry as possible ... and in icing or fillings for sponge cakes or eclairs. Passionfruit pulp can be preserved by freezing in ice cube trays - add three tablespoons of sugar ...
I have tried numerous recipes for passionfruit pulp and they are either too sweet or too thin, and also the seeds float to the top. Ideally, I would like it to turn out like store bought, not too ...