This article is from the Bulgaria FAQ, by Dragomir R. Radev email@example.com with numerous contributions by others.
Ingredients: 1kg flour, 1/2 cupful walnut kernels, 4 cupfuls sugar, 4
cupfuls water, vanilla, 150g butter. Prepare a medium-hard dough from the
flour, some salt and cold water, adn roll into sheets (1 kg of ready-rolled
sheets may also be used). Baste each sheet with some butter and top with
crushed walnut kernels. Roll together and arrange either lengthwise or in a
circle in a butterlined dish. Bake in a moderate oven. After it has cooled
pour over hot syrup made from sugar, water and vanilla.