1Heat oven to 325°F. In large bowl, beat brown sugar, butter, vanilla and eggs with electric mixer on medium speed, or mix with spoon, until creamy. Stir in flour, cocoa, baking soda and salt. Stir in white chocolate chunks and nuts.
2Drop dough by 1/4 cupfuls about 2 inches apart onto ungreased large cookie sheet (do not use dark cookie sheet).
3Bake 13 to 16 minutes or until cookies are set and appear dry (do not overbake). Cool 1 minute; remove from cookie sheet to wire rack.