FOOD FACTS

Inside The Factory,y, 8pm,p BBC2

GREGG WALLACE explores one of the world’s largest sauce factories, in the Netherlands — where they produce a quarter of a million tonnes of sauces every yyear. Meanwhile, hhistorian Ruth Goodman (pictured) discovers hhow Brits fell in love with mayonnaise and learns about Worcestershire sauce, while Cherry Healey visits a soy sauce factory in South Wales.