Instructions
1. Whisk eggs and egg white with sugar will thicken. Add flour and baking powder. Add vanilla. Add melted butter.
2. Mix well and pour into a greased dish. Bake at 220 C for 30 mins or till golden.
3. Meanwhile, Boil 200ml milk , add to mixture A and stir well to smoothness.
4. Add butter and stir again till smooth, remove from heat and add yolk , stir till smooth.
5. Pour over cake and cool. Serve.