Egg Yolk Sponge Cake by Kennis Lim Yoke Har

Ingredients:
3 egg yolks
2 tbsp hot water
1/2 cup self raising flour
1/2 cup superfine sugar
1 pinch salt
1/2 tsp vanilla extract
2 tbsp milk

Method:
1. Preheat oven to 180C (If oven hot reduce to 170C)
2. Beat egg yolks & hot water till creamy then gradually add the sugar and beat till thick & pale. Add salt & vanilla extract.
3. Fold in the flour & milk alternately till combined. Pour into a greased & lined 20cm round tin and bake for 20-30 mins or until skewer comes out clean. Cool on wire rack.
4. Split cake into half then fill with jam & whipped cream then dust with icing sugar (optional).