We compared prices for a basket of 52 popular grocery items each day during the month of June. Our price tracking found that, on average, shoppers would have paid £75.61 for the basket at Aldi – that’s £1.38 cheaper than rival discounter Lidl. The most expensive supermarket was £25.53 pricier than Aldi for an equivalent basket of groceries. Cheapest supermarket for a basket of groceriesEvery day...