Anke pie is a traditional sweet pie originating from Russia. It's usually made with a combination of flour, butter, sugar, eggs, lemon, and cold water. The dough is cooked three times with a mixture of flour, butter, sugar, water, and egg yolks.
The sauce is made by grating lemon zest and mixing it with lemon juice, sugar, butter, and eggs. The combination is cooked over low heat until it becomes thick. Once chilled, the sweet sauce is sandwiched between two layers of the pie, and the final topping is the sweet sauce that's topped with the crumbled third layer (piece of dough) of the pie.