1. combine the flour, salt and baking powder; 
2. cream the butter, sugar, vanilla and egg;
3. break the chocolate into small pieces; combine all the ingredients; refrigerate for 1 hour;  
4. place in small mounds on a non-stick cookie sheet;
5. bake at 180°C (350°F ) for 10 - 15 minutes or until the cookies are lightly browned; 
6. cool before removing from the pan with a spatula.

Variations

• 125 g (4 oz.) semi-sweet chocolate and 125 g (4 oz.) white chocolate
• 250 g (8 oz.) semi-sweet chocolate and 250 g (8 oz.) walnuts