Fudgy Brownies
["2 sticks (8 oz.) butter or margarine", "3/4 c. cocoa", "2 c. granulated sugar", "4 eggs", "1 c. all-purpose flour", "2 tsp. vanilla", "1/2 tsp. salt", "12 oz. pkg. semi-sweet chocolate chips", "1 c. chopped nuts (optional)"]
["Grease 13 x 9-inch pan.", "In saucepan melt butter over low heat.", "Put in bowl and add cocoa and stir until well blended.", "Add sugar; mix well.", "Add eggs, one at a time, beating well after each egg.", "Add flour, vanilla and salt and stir just until mixed together.", "Do not overbeat.", "Stir in chocolate chips and nuts. Spread in pan. Bake at 350\u00b0 for 25 to 30 minutes or until done."]
["butter", "cocoa", "sugar", "eggs", "flour", "vanilla", "salt", "semi-sweet chocolate chips", "nuts"]