Did I just say no double boiler for this 7 minute frosting recipe? You bet I did! Instead of figuring out how the heck to whip egg whites easily over a double boiler, this recipe shows you how to make luscious 7 minute frosting in a pot directly on the stovetop- it can be done! This method is so much easier and results in the same exact super smooth, swoopy, and delicious marshmallowy white frosting that you can slather all over your favorite cakes.