Chewy Chocolate Cookies
["1 1/4 c. butter", "2 c. sugar", "2 eggs", "2 tsp. vanilla", "2 c. flour", "3/4 c. cocoa", "1 tsp. baking soda", "1/2 tsp. salt", "1 c. nuts (optional)"]
["Cream butter and sugar.", "Add eggs and vanilla; blend well. Combine flour, cocoa, baking soda and salt; add to creamed mixture.", "Stir in nuts, if desired.", "Drop by teaspoonfuls onto ungreased cookie sheet.", "Bake at 350\u00b0 for 8 to 9 minutes.", "Do not overbake.", "Makes 4 1/2 dozen."]
["butter", "sugar", "eggs", "vanilla", "flour", "cocoa", "baking soda", "salt", "nuts"]