Find out how to save up to £130 on your daily brew - and help the environment - with our pick of the best reusable coffee cups and travel mugs. Plus, how to choose the right type for you and which high-street coffee shops offer the best discounts.
Why does a sourdough loaf cost £3-4 in a bakery but half as much at the supermarket? Our research shows they’re not necessarily the same thing. Traditional sourdough contains only four ingredients: flour, water, salt and what’s known as a starter culture. Find out what we spotted in some supermarket loaves.
Find out how supermarkets encourage us to spend more when we shop, from special offer signs to shelf layouts and subtle distraction techniques
We've investigated just how much plastic supermarkets use, and reveal what you can do to reduce your plastic footprint
Which? investigates the cheapest place to buy a typical basket of grocery items in February 2018.
Retailers add warning labels to 'deadly' nappy sacks. Warnings come after at least 18 deaths in the UK associated with nappy sacks. Find out how to use nappy sacks safely.
Morrisons tops the list to become the cheapest supermarket for January 2018, in a monthly price comparison round-up from Which?
Which? reveals the best and worst supermarkets, as voted by their customers. Find out how Tesco, Sainsbury’s and Waitrose fare.
Morrisons has won the contest for cheapest supermarket in 2017, according to Which? price comparison research into average costs of a standard basket of items
Which? price analysis reveals which supermarket was cheapest for a basket of groceries in December 2017