Preheat oven to 160°C.
Prep your chiffon cake tin (do not grease the sides of the tin).
Sift dry ingredients at least 3 times.
Mix egg yolks, oil and add 200ml of the granadilla pulp.
Add granadilla mixture to dry ingredients, adding more granadilla to create a loose batter.
Whisk egg whites until stiff.
Pour egg yolk batter over egg whites and fold in until blended.
Pour into chiffon tin.
Bake for approx. 1 hour 15 minutes until baked through. Start 75min timer
Remove from oven and turn tin upside down to cool.
Cover in prepared buttercream or serve dusted with icing sugar.