Preheat the oven to 190°C.
Whip the butter and sugar until creamy.
Add the eggs and mix well.
Sift in the flour, baking powder, and salt, then mix together.
Add chocolate chips and nuts to finish the dough.
Divide the dough into large, round portions.
Place the dough onto a baking tray lined with parchment paper.
Bake in the preheated oven for 12-15 minutes.