1Prepare the onions — Peel, trim, and score the onions, then boil them until the layers are soft enough to separate.
2Make the filling — Grate the tomato and chop fresh herbs. Add the protein, the ingredients that give the filling its sweet, tangy, slightly spicy flavor, and the dried mint, then mix.
3Fill the onions — Separate the softened onion layers. Fill and roll each layer, repeating until the filling is used.
4Pack the onions — Pack the stuffed onions tightly into the cooking vessel.
5Add the sauce — Pour over the tomato sauce, cover, and let it cook until done.