Decadent Chocolate Cake - Kosher.com

Ingredients

• 1 cup cocoa powder
• 7 and 1/2 ounces semisweet chocolate, finely chopped
• 1 cup boiling water
• 2 and 1/4 cups all-purpose flour
• 1 and 1/2 teaspoons baking soda
• 1 and 1/4 teaspoons kosher salt
• 20 tablespoons (2 and 1/2 sticks) unsalted margarine
• 2 and 1/2 cups firmly packed light brown sugar
• 5 eggs, lightly beaten
• 4 teaspoons vanilla extract
• 1 and 1/2 cups mayonnaise
• 1 and 1/2 cups semisweet chocolate chips
• 6 ounces semisweet chocolate, finely chopped
• 2 tablespoons unsalted margarine
• 1/2 cup nutriwhip (unwhipped)