Wrapper: Bring a pot of water to a rolling boil for several minutes.
Meanwhile, combine the first 4 ingredients. Now, measure the amount of water needed and return that to a boil and immediately pour the boiling water over the dry ingredients. Mix well and knead on floured board for 3 or 4 minutes.
Wrapper: Mix the first 2 ingredients in a bowl. Dissolve brown sugar in water and bring to a rolling boil. Immediately add water to flour mixture and stir until dough is firm. Knead lightly for a few minutes until dough is well mixed.