a mixing bowl, beat eggs, sugar and vanilla until well mixed.
Add butter and shortening.
Separately, combine flour, cocoa and salt; stir into
egg mixture and mix well.
Add nuts, if desired.
Line a 13-in x 9-in pan with foil and grease the foil;
pour in the batter. Bake at 350 degrees for 30 minutes.
Turn brownies out of plan onto a cookie sheet; remove
foil. Cut with a
star cutter or into bars.
Makes about 3 dozen.