Place cookies in a ziplock bag and crush with a wooden spoon until the cookies have fully become crumbs. Put them in a bowl. Add melted butter and milk, and mix well.
2. Step
In a buttered 15-centimeter (6-inch) pie pan, add the crust mixture and press firmly to form an even layer. Chill in the fridge for about 30 minutes.
3. Step
In a microwave-safe bowl, add the egg yolks and sugar. Whisk until pale. Add milk, vanilla, and cornstarch, and mix well. Microwave for 3 minutes and whisk after every minute.
4. Step
Add the cream cheese to the custard. Whisk until smooth.
5. Step
Add the custard batter into the chilled crust. Chill in the fridge for 30 minutes.
6. Step
Preheat oven to 320˚F/160˚C.
7. Step
Brush egg wash on top of the cake. Bake in the oven for 20 minutes.
8. Step
Once the cake is cool to the touch, serve immediately. The cake will have gooey texture while it is warm.
