Boston cheesecake

Recipe
Ingredients

Prepare a basic sponge cake.(8inch)

For the topping
(A)
550gm cream cheese
200gm Sugar
4 Large egg yolks
200gm whipping cream
1 Tbsp Lemon juice
1/2 Tsp Vanilla essence

(B)
110gm Flour
20gm Cornflour
1/4 Tsp Salt
4 Large egg whites
2 Tbsp Sugar

Method
(1)Put the sponge into a spring form pan.
(2)Cream (A) till smooth and light.
(3)Gradually beat egg yolks one at a time.
(4)Beat in whipping cream and Vanilla essence.
(5)Fold in (B)gradually,add in lemon juice.
(6)Whisk egg whites and sugar till stiff and fold lightly into creamed mixture.
(7)Pour cream cheese mixture into the spring form pan(Sponge bottom).
(8)Steam bake at 360'F for one hour.