Sponge Cake

Cup of Yum
1. Separate egg whites from yolks.
2. Whisk whites using a hand beater on low-medium speed until stiff.
3. Add egg yolks and continue beating for another five minutes.
4. Add sugar gradually to egg mixture while continuing to beat on low-medium speed.
5. Sift flour, cream of tartar and cornflour three times.
6. Fold dry ingredients through egg and sugar mixture using a spatula.
7. Combine melted butter, boiling water and bicarb soda. Once combined, add to mixture and combine well using a spatula.
8. Pour mixture into a lined round cake tin and bake in a moderately slow oven for 50 mins.
9. Once cake is cooked, allow to cool for two minutes before turning out onto a cooling tray covered with two clean tea towels.

Condensed Milk Filling

1. To make condensed milk filling, pour condensed milk into a bowl.
2. Juice the two lemons and add the lemon juice to the condensed milk.
3. Whisk by hand until mixture is an even, thick consistency.