Custard Cake

Caramel sauce
100 g white sugar
1 tbsp water
Leche Flan
10 pcs eggyolks
3/4 c white sugar
1 c fresh milk
1 tsp vanilla essence
Cake Bunn
4 pcs eggwhites
1/4 tsp cream of tartar
1/4 c white sugar
4 pcs eggyolks
1/4 c white sugar
1/2 c fresh milk
1/4 c vegetable oil or canola oil
1 c Cake flour or All purpose flour (sifted 4 times)