Brown hamburger and onion together with salt and pepper. Chop cabbage and add to browned hamburger. Cook until cabbage is tender.
Roll dough/rolls into 5" circles or you can roll out the box dough and cut into squares. Fill dough with about 1/4c meat mixture. Pinch dough around the mixture to close. Let them sit until the dough rises. Bake on a flat sheet at 350 degrees for about 30 min. or until tops are golden brown.