1. Sauté the onion in oil until golden.
2. Add flour and stir.
3. Add water and spices. Bring to a boil.
4. Remove from heat and pour the sauce over each chicken roll-up.
5. Close up the foil around each portion and arrange in a baking pan. Bake in preheated oven for 35 minutes.
6. Open the foil and bake for an additional 5 minutes.