Extreme Chocolate Cake

INGREDIENTS

• 2 cups white sugar
• 1 3/4 cups all-purpose flour
• 3/4 cup unsweetened cocoa powder
• 1 1/2 teaspoons baking soda
• 1 1/2 teaspoons baking powder
• 1 teaspoon salt
• 2 eggs
• 1 cup milk
• 1/2 cup vegetable oil
• 2 teaspoons vanilla extract
• 1 cup boiling water
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• 3/4 cup butter
• 1 1/2 cups unsweetened cocoa powder
• 5 1/3 cups confectioners' sugar
• 2/3 cup milk
• 1 teaspoon vanilla extract