Tesco's boss has promised to "keep the cost of the weekly shop as affordable as possible" amid the cost of living crisis.
The big four supermarkets have come under increasing pressure from the German discounters as shoppers seek better value, with Aldi recently leapfrogging Morrisons to become the UK's fourth largest supermarket for the first time.
Chief executive Ken Murphy said customers were buying less on each shopping trip, switching to cheaper own-brand products and from fresh to frozen food as part of efforts to cut costs in the face of soaring inflation, which hit 9.9% in August.
