Cream together the butter, brown sugar and sugar. Beat in vanilla. Add eggs and beat again. Stir together the flour, salt and soda; add to creamed mixture and stir. Mixture will be sticky and dry. Stir in the chocolate chips. Drop by small ice cream scoops on waxed paper-lined cookie sheets. Bake at 350 degrees for 8 to 10 minutes. Allow to cool 5 minutes on cookie sheet before removing. Do not reuse waxed paper.
Makes a huge batch.