Heat oven to 375°F. In large bowl, combine brown sugar, sugar and margarine; beat until light and fluffy. Add almond extract and egg; blend well.
Lightly spoon flour into measuring cup; level off. Add flour, cocoa, baking soda and salt; mix well. Stir in white chocolate chunks and nuts. Drop dough by rounded tablespoonfuls 2 inches apart onto ungreased cookie sheets.
Bake at 375°F. for 8 to 12 minutes or until set. Cool 1 minute. Remove from cookie sheets.