Put the chocolate chips in a glass bowl. Microwave for 45 seconds. Stir, then microwave in 15 second intervals, stirring in between, until melted and smooth.
Pour the melted chocolate onto the wax paper, and spread into a rectangle using the back of a spoon.
Sprinkle the nuts over the chocolate. Press lightly into the chocolate with your hand.
Sprinkle sea salt over the chocolate and nuts.
Place in the refrigerator to chill for two hours.
Break into pieces.
Store in an air tight container in the refrigerator as it gets a little soft at room temperature.