Lidl has been crowned the cheapest supermarket in the UK for March, making it the third consecutive month that the retailer has retained top ranking.
The Which? price comparison analysed the prices of 21 items at the big four grocers, Aldi, Lidl, Ocado and Marks & Spencer food.
It found a basket of goods at the German discounter would set you back £26.83 compared to £36.04 at the priciest supermarket.
