This is a traditional recipe from the south of Portugal, really easy to make and delicious.
- 3 tuna steaks
- 3 garlic cloves, sliced
- 100ml olive oil
- 3 onions, thinly sliced
- 1 tablespoon tomato paste or 2 small peeled tomatoes, diced
- 50 ml white whine
- 1 tablespoon vinegar
- salt and...