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Did Tesco tomato & basil pasta (chilled) shrink?

Size FactsDid it shrink? Yes
Before550 g
After450 g
−18.2%smaller
Price per 100 g · observed+31.0%Shelf price £3.50 → £3.75, as recorded by the source.

Before you paid £0.64 per 100 g; after, £0.83 per 100 g: 31.0% more for the same amount.

How big a cut? The 36th-largest of 99 documented pasta, rice & meals cuts; a bigger cut than 70% of all 1,366 cases in the library. See the biggest cuts →

When
2026 · reported 15 May 2026
Country
United Kingdom
Brand
Tesco
Category
Pasta, Rice & Meals
Source
allsupers.co.uk

Source and evidence

Tesco Tomato & Basil Pasta 450g: 550 g → 450 g — Shrinkflation | Allsupers | Allsupers allsupers.co.uk

Source fetched 2026-10-21. All 59 Allsupers cases.

Found by Allsupers' automated check of Tesco listings: the old listing disappeared and a smaller pack of the same product appeared (new pack since 15 May 2026); regular price £3.50 before, £3.75 after.

Evidence
Typeautomated supermarket price tracker (Allsupers register; retailer listings, regular prices recorded)
Confidencemedium
Size cut alone, at the old price+22.2%

Check the math in the calculator or compare old and new unit prices.

Against official inflation: ONS CPI (UK) “pasta products and couscous” changed +4.1% (12 months to May 2026, a broad match for this category). This pack’s price per gram changed +31.0%, 26.8 percentage points above the official rate, using the shelf prices the source recorded. Every case is compared the same way in the ShrinkRadar Index.

What the source says

“Before: Tesco Tomato & Basil Pasta 550g (Tesco), size 550 g, regular price £3.50, price per unit £6.36/kg. Now: Tesco Tomato & Basil Pasta 450g (Tesco), size 450 g, regular price £3.75, price per unit £8.33/kg. First detected: 17 May 2026. New pack since 15 May 2026.”

Store brand: this is a Tesco own-label product. See all Tesco store-brand cases or store-brand shrinkflation across retailers.

More from the UK: the UK Shrinkflation Tracker has all 175 documented cases, sortable and filterable.

Topic guide: ready meal, pizza and pasta shrinkflation, every documented case in one place, brand by brand.

More from Tesco

All 8 Tesco cases →

Tesco products we track

More pasta, rice & meals in United Kingdom

All 17 in the case library →

Newest in pasta, rice & meals

Ready meal, pizza and pasta shrinkflation →

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Cite this case

ShrinkRadar, “Did Tesco tomato & basil pasta (chilled) shrink? 550 g → 450 g”, https://shrinkradar.com/cases/tesco-tomato-and-basil-pasta-chilled-uk-2026.html, accessed 2026-11-05. Original source: Tesco Tomato & Basil Pasta 450g: 550 g → 450 g — Shrinkflation | Allsupers | Allsupers (https://allsupers.co.uk/research/shrinkflation/ean_swap/159).

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