Dough: Mix water, yeast, sugar and salt; stir until dissolved. Add egg and margarine. Stir in flour. Put in tight bowl and refigerate 4 hours or overnight. Roll dough into oblong shape and cut into squares. Put in hamburger mixture. Pull up 4 sides and press edges together. Place on greased cookie sheet and bake 20 minutes in a 350^ oven.
Runza Filling: Brown hamburger and onion; drain off excess. Add shredded cabbage, seasonings and water. Simmer 15 minutes. Cool completely before putting in dough.