Preheat the oven to 180'C.
Zest the orange and scrape the seeds from the passion fruits.
Place the Betty Crocker cupcake mix into a mixing bowl and add the oil, water and eggs. Beat with an electric whisk for 2 minutes until the mixture is smooth.
Add the orange zest and the passion fruit seeds.
Transfer the mixture to a piping bag and fill the financier moulds.
Bake in the oven for 10 minutes until golden brown.
Serve whilst warm with a dusting of icing sugar.
«Vary the flavours in the cake by adding lime zest or chopped dried fruits.»