Elizabeth's Extreme Chocolate Lover's Cake Recipe

Ingredients

• 2 1/4 cups all-purpose flour
• 2 teaspoons baking soda
• 1/2 teaspoon salt
• 6 (1 ounce) squares unsweetened chocolate, chopped
• 1/2 cup unsalted butter
• 2 1/2 cups dark brown sugar
• 3 eggs
• 1 1/2 teaspoons vanilla extract
• 1 cup sour cream
• 1 cup water
• 1/4 cup unsalted butter
• 1 egg yolk
• 4 cups confectioners' sugar
• 2 tablespoons vanilla extract
• 2 tablespoons heavy cream
• 1 (8 ounce) package cream cheese, softened
• 2 cups bittersweet chocolate chips
• 1 cup heavy cream