Begin with making the waffle batter. Use a balloon whisk to whisk the milk, egg and oil in a large bowl. Add the vanilla seeds. Whisk in the sugar, baking powder and salt. Sift in the flour. Whisk until just combined (do not overwork the batter). Set aside.
Next, make the passionfruit curd. Place the gelatine leaf in a small bowl of water and set aside. Place t