Supermarket swaps: Dog chews instead of chicken breasts

Almost half of supermarket deliveries (47 per cent) included a substitute item over the last 12 months, Which? found.

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More than six out of 10 Asda customers (62 per cent) reported receiving a substitution in their most recent shop, with one receiving dog chews instead of chicken breasts.

Another bewildered shopper received a pack of toilet rolls instead of bread rolls.

Some 59 per cent of Aldi customers received unexpected items, one including a bag of onions instead of a loaf of bread.

Half of customers who had ordered online at Sainsbury's (52 per cent) told Which? they had received a substitution, including shoe polish instead of fruit, and bacon rather than barbecue-flavoured crisps.

Among the 51 per cent of Morrisons shoppers who received substitutions was one who received meat sausages instead of veggie burgers and another who received a toothbrush instead of apples.

More than four in 10 Tesco shoppers (44 per cent) reported substitutions such as an Easter egg in place of hot dog rolls and a chocolate Santa instead of a roll of tinfoil.

One Iceland shopper told Which? they received strawberries instead of bin bags.

Waitrose customers were the least likely to receive a substitution at 24 per cent, although one was sorry to receive an alcohol-free bottle of wine in place of a standard bottle.

Customers with special dietary requirements fared particularly badly with substitutions at a number of supermarkets, with many complaining about receiving meat or dairy instead of vegetarian or vegan alternatives.

One shopper, whose partner has coeliac disease, had their gluten-free product substituted with a product containing wheat.

Which? Retail editor Reena Sewraz said: ‘Product substitutions can be incredibly frustrating, especially if the key ingredient for your dinner is missing. Our research has shown that some replacements can also be downright ridiculous.

‘You have the right to reject substitutions at the point of delivery, or you could opt out of receiving substitutions altogether. If you do end up with a substitution that you don't want, always contact the supermarket and ask for a refund.’

Deltapoll surveyed 3,007 UK adults in October, gathering information on 1,260 online supermarket shopping experiences.