Prepare the Dough: Preheat the oven to 180°C (350°F). In a bowl, combine flour, sugar, and baking powder.
Add Wet Ingredients: Beat the eggs and mix them into the dry ingredients until a firm dough forms.
Add Almonds: Fold in the whole almonds and mix evenly.
Shape the Dough: Divide the dough into two portions and shape each into a long, flat log.
First Bake: Place the logs on a lined baking tray and bake for 25–30 minutes until lightly golden.
Slice the Logs: Allow the logs to cool for 10 minutes, then cut them diagonally into slices about 1–2 cm thick.
Second Bake: Arrange the slices flat on the baking tray and bake for another 10–15 minutes, turning once, until crisp and dry.
Cool and Serve: Let the cantucci cool completely before serving with coffee or tea.