In this video, find out how to make Martha Stewart's quick pickled Vidalia and red onions. These yummy onions make the best relish for a range of meals, and they are super simple to make. Simply soak them in hot vinegar and spices before putting them as much as marinade for as long as you like. Serve them together with Mexican dishes like tacos and nachos, or utilize them on sandwiches instead of fresh onions. #MarthaStewart #Recipe…