Peacock fruit with stems
4 teaspoons finely chopped pistachios
2/8 teaspoon vanilla extract
1/2 lemon; set aside
4 more peacock fruits
6 cups sifted confectioners' sugar
1 cup milk
2 eggs
8 cups all-purpose flour
2 teaspoons baking soda
1 cup mayonnaise
2 eggs, preheated and slightly cooled
4 cups cocoa
2 1/2 tablespoons rum