Double Chocolate Walnut Cookies

I got this recipe from an old Toll House cookbook my parents have had on their bookshelf for years. These made a nice chocolate cookie.

DOUBLE CHOCOLATE WALNUT COOKIES
From The Nestle Toll House Cookbook

INGREDIENTS
2 1/4 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon salt
1 cup butter, softened
3/4 cup sugar
3/4 cup brown sugar
2 eggs
1 teaspoon vanilla
2 packets (1 ounce each) Nestle choco bake pre-melted unsweetened chocolate
1 package (12 ounces) semi-sweet chocolate chips
1 cup chopped walnuts

DIRECTIONS
1. Preheat oven to 350 degrees F. In a small bowl combine flour, baking soda, and salt; set aside.

2. In a large bowl cream butter, sugar, and brown sugar. Add egg and vanilla and mix well. Add Choco Bake and mix until completely incorporated. Gradually beat in flour mixture. Stir in chips and nuts.

3. Drop by rounded tablespoons onto ungreased baking sheet. Bake for 9-11 minutes or until edges are set but centers are still soft. Cool on baking sheets for 2-3 minutes and remove to wire racks to cool completely.