Tesco told the BBC it constantly reviews the quality of its products and has clear processes in place to ensure its price-match products are comparable to Aldi. It also said a hig

Of 122 Tesco products, 38 were found to have at least five percentage points less of the main ingredient than the matched Aldi product.

Tesco has been accused of skimping on ingredients in the products it price matches to Aldi, such as chicken nuggets with far less chicken in them.

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BBC researchers found that of 122 Tesco some 38 - nearly a third - had at least five percentage points less of the main ingredient than the Aldi products they had been matched to

A new investigation by BBC Panorama has found some items at Tesco contain less of their main ingredient compared to the Aldi equivalent - here is what you need to know

The discounter has placed ads in a number of national newspapers highlighting examples of Tesco products containing less of the main ingredient than Aldi's, despite being a claimed 'match'

Items including chicken nuggets, blackcurrant squash and chicken kievs were found to contain less of their main ingredient compared to their Aldi equivalents

Tesco is the UK’s dominant supermarket chain, with a 27.8% market share, but shoppers at the supermarket giant have been warned over an Aldi price match.