Once bread has cooled, you can make the frosting by beating together the cream cheese, cocoa powder, powdered sugar and vanilla extract until smooth and creamy. (ambitiouskitchen.com)
Turn to low, stir in sugar and vanilla and stir constantly for about five minutes or until sugar is dissolved and milk is slightly thickened. (fivehearthome.com)
Beat butter, brown sugar and vanilla until light in colour and texture (about 3 minutes in a stand mixer with paddle attachment on medium speed). (kitchenettefinds.com)