Frozen dumplings will stick to the bamboo inside a steamer, so you need to line it first. If you've got some Napa cabbage in the fridge, the leaves make great steamer liners. Alternatively, you can use parchment paper to make a breathable non-stick surface. SOME DUMPLINGS CAN BE KEPT IN THE FREEZER AS A QUICK SNACKWhether you make your dumplings from scratch or purchase one of the countless store-bought options on the market, there are several ways to cook frozen dumplings. Steamed, boiled, air-fried, or microwaved, they take just minutes to go from the freezer to the table.