Jamie Oliver served up a posh fish pie with creamy prosecco sauce and red Leicester mash on Jamie and Jimmy’s Friday Night Feast

The ingredients are: 1 x 1.5 kg whole live lobster , from sustainable sources, 600 ml semi-skimmed milk, 1 onion, 1 large carrot, 1 bulb of fennel, 1 leek, olive oil, 50 g unsalted butter, 2 tablespoons plain flour, 2 teaspoons English mustard, 150 ml Prosecco, 50 g Lancashire or Cheddar cheese, 2 kg Maris Piper potatoes, 75 g Red Leicester cheese, cayenne pepper, 200 g seasonal greens , such as kale, cavolo nero, chard, 1 kg mixed fish fillets and seafood , such as smoked haddock, scallops, salmon, bass, gurnard, lemon sole, skin off and pin-boned, from sustainable sources and 10 raw peeled king prawns , from sustainable sources.