In this recipe these are called Manti. In Juneau, Alaska we call Russian dumplings, Pel'Meni. This is a great step-by-step on how to make the dumpling. To be vegan friendly stuff it with whipped potatoes.
Alaska Pilot Bread Recipe (Hard Tack) 2 c. all-purpose flour 3 tsp. baking powder 1 tb. powdered sugar 1/2 tsp. sea salt 6 tb. cold butter 2 tb. coconut oil 2/3 c. milk Preheat oven 325 F. Mix well. Roll out thin (1/8 in,) Cut with 3 in. cookie cutter. Stick all over with fork. Bake 25 min. Store in tightly sealed jar indefinitely.