Work the flour, salt, farin sugar, egg and butter into a dough using the dough hook of the hand mixer and press into a tart pan (ø 22-24 cm). Brush with a little milk and draw strips lengthways and crossways with a fork. Bake in a preheated oven at 200 ° C for about 22-25 minutes. After cooling, cut the cake into bite-sized pieces.