Chocolate Ganache:
1 quart heavy cream
3 pounds semi-sweet chocolate
Chocolate Cake:
32 ounces unsweetened chocolate
2 pounds unsalted butter
8 pounds brown sugar
32 eggs
3 tablespoons pure vanilla extract
3 pounds 8 ounces cake flour
4 tablespoons baking powder
2 teaspoons salt
8 cups sour cream
8 cups boiling water
Orange Cake:
4 tablespoons finely zested orange peel
24 egg yolks
4 cups milk
1 tablespoon pure vanilla extract
2 tablespoons pure orange extract
21/2 cups pure orange juice
1 1/2 pounds butter, room temperature
2 pounds, 11 ounces cake flour
6 cups sugar
4 tablespoons baking powder
1 tablespoon salt
For Chocolate Ganache: