Mary'S Brownies
["1/2 c. butter", "1 c. sugar", "1 tsp. vanilla", "2 eggs", "1 1/2 oz. sq. unsweetened chocolate, melted", "1/2 c. flour", "1/2 c. chopped walnuts"]
["Cream butter, sugar and vanilla; beat in eggs.", "Blend in chocolate. Stir in flour and nuts.", "Bake in greased 8 x 8 x 2-inch pan at 325\u00b0 for 30 to 35 minutes.", "Cool and ice with frosting. Cut in 16 squares."]
["butter", "sugar", "vanilla", "eggs", "unsweetened chocolate", "flour", "walnuts"]