Boil 1" of water in a pot and set 4 wadded up pieces of foil inside with a plate on top of that. Rub olive oil on plate and place frozen dumplings on top with a lid on your pot to steam to tender. 2. In a microwave, place pcs. in a bowl filled with hot water submerging them. Cover with a plate or vented plastic wrap and heat for 3-4 minutes until tender. 3. Use our instructions below to steam Instant Pot frozen dumplings perfectly using a vegetable steamer basket.