Chop the meat, season and fry all over. Dice the onion and fry it too. Add a little tomato paste and deglaze with water and let simmer for about 20 minutes. Peel and halve the potatoes and add to the meat. Salt, just cover with water.
Process the dough ingredients into a dough, roll out and brush with the margarine.
Then cut into strips, roll up and place the small strudel on the potatoes. Cook over medium heat (180 ° C) for about 30 minutes.