Mirjam, this is a fabulous dessert! I served it for Christmas yesterday and it was so good that everyone wanted seconds! I only made one pie, though, so I had to disapoint them. The filling is like chilled custard. It's semi-soft, rich and creamy. The egg nog flavor, especially the rum flavor, comes strongly through. I used Bacardi white rum and a store-bought pie crust and I chilled it overnight. It was totally delicious! People who like egg nog will love this pie!