Instructions

  1. Preheat oven to 375°.
  2. In a large bowl, cream butter and both sugars until light and fluffy.
  3. Beat in vanilla.
  4. Blend in egg and cocoa, then flour, baking soda and salt, beating until a stiff dough is formed.
  5. Stir in chocolate chunks.
  6. Spoon rounded tablespoonsful of dough 5cms apart on ungreased baking sheet.
  7. Bake for 8-12 minutes until set.
  8. Cool on tray for two minutes, then transfer to wire racks.