Ice Box Cookies

2 cups all purpose flour
1 cup brown sugar
1 egg
1/2 cup butter
1/2 teaspoon vanilla
1/2 teaspoon baking soda
1/2 cup chopped nuts
1/4 teaspoon salt

Thoroughly combine all ingredients. Shape in to 2 long rolls wrap rolls in wax paper or foil. Chill well. Cut in slices and place on baking sheets. Bake at 350 degrees for 8 to 10 minutes.