Beat the eggs and milk using the whisk on a hand mixer for approx. 5 mins. until the mixture is light and fluffy. Mix the flour and baking powder, add to the egg mixture along with all the other ingredients up to and including the salt, whisk for a further 5 mins.
Preheat the oven to 220°C. Add the butter to the skillet, melt in the oven. Add the batter. Bake for approx. 20 mins. in the lower half of the preheated oven.
Top with the passion fruit curd and blueberries. Dust with icing sugar.