White Chocolate Mud Cake

Ingredients

• 6 large egg whites
• 1 1/2 cups white chocolate
• 1 cup caster sugar
• 1 tsp salt
• 1 tsp vanilla extract
• 1 1/4 cups caster sugar
• 2 tsp vanilla extract
• 3/4 cup unsalted butter
• 1/2 cup heavy cream
• 2 cups unsalted butter, softened
• 2 1/2 tsp baking powder
• 3 large eggs
• 1 1/2 cups milk
• 2 1/2 cups all-purpose flour
• 3/4 cup white chocolate