boil-in-bag potato dumplings

Note to self:
When the water is already boiling, and I belatedly notice that the box says to put the dumplings in the cold water *before* bringing it to a boil, I should start over with a new pot of water.

Do NOT put the dumplings in the boiling water; there's a good chance they won't turn out right. (I thought the last time this happened, they still turned out pretty good. So I thought it would be ok today too. But NOPE.)