1 orange, finely grated zest only
2 oranges, juice only (around 75ml)
4 tbsp orange marmalade
1 tsp baking powder
30g/1oz caster sugar
100驳/3陆辞锄 caster sugar
2 tsp ground cinnamon
sunflower oil, for deep frying
1 tsp vanilla extract
3 large eggs
200ml/7fl oz milk, any kind
6 brioche buns or burger buns