The trick to any dough is the proper amount of water, so after the first addition be sure add any extra water slowly and work each tablespoon in well. (purplecarrot.com)
Warm a proper amount of water and soak a towel in the water. (vkool.com)
Then pour the proper amount of water into the steamer and wait for the light to indicate when your food is done. (mamanista.com)