Mix together 4 tablespoons of S R flour, 2 tablespoons of shredded suet and a good pinch of salt. You can add mixed herbs if you like, about 1 tbspoon. When it's thoroughly combined add cold water, a few drops at a time, mixing until you have a stiff dough. Separate into lumps of dough and roll them in your palms into balls (it's as well to dust them with flour before and during this bit - otherwise you end up with dough gloves and not much dumpling).
Drop your dumplings into the stew/gravy/soup/whatever (when it's already cooking) and simmer on a low heat for about 20 minutes.
