Use a bowl! Place a deep, medium-sized bowl upside down in a large pot or wok, fill with hot water, leaving around 8cm/3" of the bowl uncovered. Bring the water up to boil. Place dumplings onto a plate lined with baking paper and sit the plate onto the bowl. Make sure to use a plate that would fit inside the pot/wok used. Cover and steam on high heat for 7 minutes.