Step 1: Take out the butter so that it becomes creamy.
Step 2: Whisk the yolks with the sugar until they whiten and become foamy.
Step 3: Add the softened butter and whisk it in.
Step 4: Pour in the flour with the baking powder. Mix by hand to obtain a homogeneous dough.
Step 5: Form a sausage and wrap them in cling film.
Step 6: Refrigerate for 2 hours.
Step 7: Retake the dough and cut 1 cm thick rounds.
Step 8: Place them on a baking sheet covered with parchment paper.
Step 9: Preheat your oven to 180°C and bake for 15 minutes.
Step 10: Leave to cool on a rack before eating.
