You might need to buy:
  • unsalted butter
  • semisweet chocolate chips
  • unsweetened chocolate
  • extra-large eggs
  • instant coffee granules
  • pure vanilla extract
  • sugar
  • all-purpose flour
  • baking powder
  • salt
  • chopped walnuts
ready in about 30 minutes; serves 6
You might need to buy:
  • minus 2 tablespoons
  • baking soda
  • baking powder
  • coarse salt
  • large eggs
  • natural vanilla extract
  • Sea salt.