Cream together sugar and margarine. Add eggs, chocolate syrup, flour, and nuts. Stir well.
Pour into 13x9 pan (greased and floured) and bake at 350 degrees for 20-25 minutes.
Stir sugar, margarine and sweetened condensed milk over medium heat until sugar dissolves and bring to a full, rolling boil. Cook 30 seconds.
Remove from heat and add chocolate chips. Stir well to dissolve chips and pour on cooled brownies.