No-bake cake: the recipe for a creamy dessert to try

Preparation:
1. Add the biscuits and mix them with the melted butter.
2. Pour the milk into a saucepan and add the sugar, starch, egg yolks, vanilla extract and let it thicken.
3. Finally add the butter.
4. Assemble the cake and leave it in the refrigerator for at least 6 hours