What are 'certified' San Marzanos?
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Who "certifies" Cento-brand San Marzano canned tomatoes, and what does the certification signify?
That's what I wanted to know when I recently came across a can in an Italian specialty market. I was familiar with Cento's D.O.P. San Marzano tomatoes, but "certified" was a new one on me. Turns out that the label has changed but, according to Cento, the tomatoes have not.
San Marzano is...