Every calorie in this sinfully-rich dessert is so worth it! Shredded wheat pastry with syrup, topped with an eggy custard and topped yet again with freshly-whipped sweet cream and strewn with slivered, toasted almonds...divine!
Crust: Preheat oven to 350 degrees; pull apart the 'threads' of the kadaifi into a 13x9-inch glass baking dish, packing down lightly with fingertips; drizzle with butter and bake 40 minutes or until golden brown; remove from oven and cool.
In small pot, combine remaining crust ingredients; bring to a boil and simmer 5 minutes; remove citrus rinds (if you don't want citrus, boil syrup with a cinnamon stick and remove); spoon syrup over kadaifi and cool.
Custard: Combine flour, cornstarch, and sugar in small bowl; add cold milk and whisk to remove any lumps; whisk in egg yolks; strain mixture through sieve into hot milk.
Cook over low heat, stirring constantly until it thickens; add vanilla and place plastic wrap directly on surface to prevent skin from forming; cool for 1 1/2 hours.
Spread custard evenly over kadaifi crust; refrigerate 1 1/2 to 2 hours minimum; then top with layer of whipped cream and decorate with slivered, toasted almonds or pistachios.