Knead the flour, butter, sugar, lemon zest, whole egg and egg yolk together on a board - the dough should be firmer than bread dough. If needed, soften with a little milk.
Work in the cream of tartar and baking soda.
Roll into finger-thick sticks, place on a greased, floured tray and bake.
Mix the egg with the vanilla sugar and flour until smooth, and brush over the baked, cooled sticks.
Mix the chopped almonds with the coarsely crushed sugar and sprinkle over the sticks.
Bake until pale golden.
Based on: Malatinszky Fanny szakácskönyve (a classic Hungarian cookbook), modernised. Calories and protein are estimated.