Known cases / Pasta, Rice & Meals / Classico
Did Classico pesto shrink?
10 → 8.1 oz −19.0%Size Facts
Before10 oz
After
8.1 oz
Hidden unit-price rise at same price+23.5%
When2010
CountryUnited States
EvidenceConsumer Reports investigation
Confidencehigh
Source: Consumer Reports — CR Finds More Products Are Getting Smaller (Jan 2011) (consumerreports.org). Source fetched 2026-10-14. Check the math in the calculator.
What the source says
“Classico pesto: 10 oz. → 8.1 oz. (-19%)”
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