Preparation
In large bowl, beat eggs with sugar until pale and thickened; beat in butter and aniseeds. In separate bowl, whisk together flour, baking powder and salt ; stir into egg mixture. Stir in almonds.
Divide dough in half. With floured hands, shape each into 12-inch (30 cm) long log. Place on parchment paper–lined baking sheet. Press to flatten slightly. Whisk egg white until foamy; brush over tops of logs.
Bake in centre of 350°F (180°C) oven for about 25 minutes or until firm to the touch and golden. Transfer to rack; let cool completely.
With serrated knife, cut each log into 1/2-inch (1 cm) thick slices; place, cut side down, on baking sheet. Bake in centre of 350°F (180°C) oven until firm and golden, turning once, about 15 minutes. (Make-ahead: Store layered between waxed paper in airtight container for up to 5 days.)
