Frosted Fudge Squares
["3 1/2 (1 oz.) sq. unsweetened chocolate", "3/4 c. butter or margarine", "4 eggs", "2 c. sugar", "1/2 tsp. salt", "1 tsp. vanilla extract", "1 c. all-purpose flour", "1 1/2 c. chopped pecans or walnuts", "Favorite Brownie Frosting"]
["Melt chocolate and butter in top of a double boiler over simmering water; set aside to cool.", "Beat egg whites lightly with a wooden spoon; gradually add sugar, salt and vanilla, stirring well, and stir in cooled chocolate mixture.", "Sift flour over pecans.", "Mix well and stir into batter.", "Spread batter in a greased 12 x 8 x 2-inch baking pan.", "Bake at 325\u00b0 for 35 to 40 minutes.", "Frost with Favorite Brownie Frosting.", "Cut into 1 1/2-inch squares while warm.", "Yields about 3 dozen."]
["unsweetened chocolate", "butter", "eggs", "sugar", "salt", "vanilla extract", "flour", "pecans", "Favorite Brownie"]