Grease 6 individual flan cases
Preheat the oven to 180 oC
Place the caster sugar and flour in a bowl, rub the dairy free into the flour mix and stir in the water
Press into the bottom of the tin and up around the edges, bake in the oven for 10 minutes
Mix together the egg yolks, lemon zest and juice, lime zest and juice and coconut condensed milk

In a separate bowl whisk the egg white until stiff peaks form
Gently fold into the lemon mixture
Pour into the pie crust and bake for 15 minutes
Allow to cool and dust with icing sugar prior to serving