I think he has spent the week trying this recipe:
350-380g dried spaghetti 50g unsalted butter 1 tsp Marmite freshly grated parmesan cheese, for serving Cook the spaghetti in plenty of boiling salted water. While the pasta is cooking, melt the butter in a small saucepan and add the Marmite and 1 tablespoon of the pasta water. Mix thoroughly to dissolve,