Goeduck Sauce Rigaberto Uran

1 x 300g piece mahi mahi fillet, skin off, pin-boned 1 tablespoon extra virgin olive oil 1 brown onion, diced Salt flakes and freshly ground black pepper, to taste 25g butter 1 clove garlic, crushed ¼ teaspoon ground turmeric 1 tablespoon tomato paste ? cup water 1 tablespoon lemon juice 2 teaspoons dried barberries Pinch saffron threads Barberry rice (see video below), saffron pilaf or steamed basmati rice, for serving Fresh herb platter, for serving (optional) Thick natural yoghurt or Maast-O Khiar, for serving (optional) 1 x 300g piece mahi mahi fillet, skin off, pin-boned 1 tablespoon extra virgin olive oil 1 brown onion, diced Salt flakes and freshly ground black pepper, to taste 25g butter 1 clove garlic, crushed ¼ teaspoon ground turmeric 1 tablespoon tomato paste ? cup water 1 tablespoon lemon juice 2 teaspoons dried barberries Pinch saffron threads Barberry rice (see video below), saffron pilaf or steamed basmati rice, for serving Thick natural yoghurt or Maast-O Khiar, for serving (optional) 1 x 300g piece mahi mahi fillet, skin off, pin-boned 1 tablespoon extra virgin olive oil 1 brown onion, diced Salt flakes and freshly ground black pepper, to taste 25g butter 1 clove garlic, crushed ¼ teaspoon ground turmeric 1 tablespoon tomato paste ? cup water 1 tablespoon lemon juice 2 teaspoons dried barberries Pinch saffron threads Barberry rice (see video below), saffron pilaf or steamed basmati rice, for serving -------------------------------------------------------------------------------