from Savoring Time in the Kitchen
1 cup sugar
1 cup margarine
2 eggs
1-1/2 tsp vanilla
3-1/2 cups flour
1 tsp salt
½ tsp baking soda
½ cup finely chopped black walnuts
Cream sugar, butter, eggs and vanilla. Stir in flour, salt, baking soda and nuts. Divide dough into three parts. Shape each part into a roll 1-1/2 inches in diameter and about 7 inches long. Wrap in waxed paper or plastic wrap and refrigerate at least 4 hours.
Heat oven to 400F. Cut dough into 1/4-inch slices and place 1 inch apart on an ungreased baking sheet. Bake until light brown, 8 to 10 minutes.
Immediately remove from baking sheet.