Brownies
["1/2 c. butter or margarine", "1 c. granulated sugar", "1 tsp. vanilla", "2 eggs", "2 (1 oz.) sq. unsweetened chocolate", "3/4 c. all-purpose flour", "1/2 c. chopped walnuts (optional)"]
["Melt butter and chocolate in medium saucepan; remove from heat. Stir in sugar and blend eggs, one at a time.", "Add vanilla, stirring in flour and nuts, mix well.", "Spread into greased pan and bake at 350\u00b0 for 30 minutes.", "Cool.", "Cut into 16 squares.", "Makes 8 servings."]
["butter", "sugar", "vanilla", "eggs", "unsweetened chocolate", "all-purpose", "walnuts"]