– 7 egg yolks
– 50 g (¼ cup) superfine sugar
– ¼ tsp salt
– 4 tablespoons cooking oil
– 2 tablespoons grated orange rind
– 60 ml (4 Tbsp) orange juice
– few drops of orange colouring, I omitted
– 110 g (4 oz.) self-raising flour
– 7 egg whites
– ½ teaspoon cream of tartar, I substitute with 1 tsp lemon juice
– 130 g (2/3 cup) superfine sugar