This simple but full of flavour broth was definitely a favourite of mine when living in the Algarve. Just a few ingredients and time is all you need!
Start making chicken stock. I put the left over chicken and carcass from a roast chicken in my slow cooker, add a chopped onion; a few peppercorns; a couple of bay leaves; the rind from half a lemon and a few sprigs of fresh mint. Cover with water and switch it on. Mine cooked on low for 8 hrs, you could pressure cook it I guess?
Strain ...