In America's heartland, Jimmy Doherty finds out just how baked our baked beans are. Kate Quilton asks why stinky cheese smells so bad but tastes so good, and Matt Tebbutt heads to France to get the skinny on diet champagne.

Food Unwrapped kicks off 2019 with a diet special full of hints and hacks for how to beat that post-Christmas bulge. Kate Quilton hits the surf in Australia to find out if replacing carb and meat classics with popular veg and fruit-based alternatives is a good way to cut calories. Dr Helen Lawal follows nine people who've been on three of the nation's favourite diets for nine months, to uncover the truth about long-term dieting. Jimmy Doherty finds out which foods and drinks can help during endurance training, and Matt Tebbutt goes dry for a month to see if ditching booze can make him look younger.