One-in-a-hundred fudge cake Recipe - Los Angeles Times

Ingredients

• 1 1/2 cups cake flour, plus more for preparing pan
• 3/4 cup cocoa
• 1 1/2 teaspoons baking soda
• 1/2 teaspoon salt
• 1 3/4 cups sugar
• 2 cups sour cream (regular or low-fat, not nonfat)
• 1/2 cup (1 stick) plus 3 tablespoons butter, softened, plus more for greasing
• 2 eggs
• 1 teaspoon vanilla extract
• 1 1/2 cups sugar
• 1 cup whipping cream
• 6 ounces unsweetened chocolate, cut in small pieces
• 1/2 cup (1 stick) butter, softened
• 1 tablespoon vanilla extract