Coarsely chop the chocolate and nuts.
Beat the margarine with the sugar until fluffy, then add the egg.
Add the flour, baking powder, salt, chopped chocolate and finally the nuts to the dough and mix.
Scoop the dough with a small spoon and place on a baking tray lined with baking paper. Bake in a preheated oven at 175°C for about 20 minutes. Makes about 80 pieces.