Hot Fudge Cake with Layered Chocolate Parfait

• 1 cup all-purpose flour
• ¾ cup granulated sugar
• 2 tablespoons cocoa powder
• 2 teaspoons baking powder
• A pinch of salt
• ½ cup milk
• 2 tablespoons melted butter
• 1 teaspoon vanilla extract

For the fudge sauce:

• ¾ cup brown sugar
• ¼ cup granulated sugar
• ¼ cup cocoa powder
• 1.5 cups hot water
  

  Instructions