Mix the flour with salt and baking soda and blend well. Layer the dry ingredients into a 1 quart jar, packing down so ingredients fit into the jar. Top with waxed paper and then chocolate chips and nuts. Cover tightly and label with this recipe: Preheat oven to 350°. Carefully remove chips and nuts from jar. Beat butter in a large bowl until fluffy. Add eggs and vanilla and beat again. Beat in dry ingredients from cookie mix, except chocolate chips and nuts, into butter mixture until blended. Then stir in chocolate chips and nuts Drop batter by spoonfuls, spaced 2 inches apart, onto a greased or parchment paper-lined cookie sheet. Bake at 350° for 9-11 minutes or until lightly browned. Makes 4 dozen cookies.