Beat the butter with the sugars until creamy, stir in the vanilla flavor and eggs.
Mix the flour and baking powder in a separate bowl and stir into the butter mixture. Finally fold in the chocolate chips and nuts.
Place the dough with a tablespoon on a baking sheet lined with baking paper and bake at 175 ° C for 10 - 12 minutes, for particularly crispy cookies up to 15 minutes.Let rest on the baking sheet for about 5 minutes, then place on a wire rack.
They taste great warm - but they are also really delicious cold.