Separate the egg whites and yolks. Set aside the egg whites in the refrigerator. Heat up the rice oil and the yogurt to 60°C. Add 1/3 flour to the yoghurt mixture and stir until smooth. Then add one yolk to the mixture and stir until smooth. Repeat adding the flour and yolks until all used up.
2
Mix egg white and lemon juice until big bubbles appeared. Add sugar little by little. Beat until the peak of meringue is medium firm.
Preheat the oven to 180/120°C.
3
Mix the meringue and yolk mixture until smooth. Pour in the mixture into the chiffon cake mold and bake for about 8-9 minutes. Take the cake out and use the knife to slightly cut eight lines on the surface. Put back the cake into the oven. Lower the temperature to 160/120°C then bake for 45 minutes.