My chef friend is arguing with me and IMO she is just straight up fucking wrong. Cooking tomatoes to death during the canning process isn't going to do any favors for the texture or flavor. Every canned diced tomato i've had has been gross (and the dice is always too big and ugly)
I think she's 100% confusing a comparison between QUALITY canned tomatoes i.e. real san marzano tomatoes versus shitty greenhouse grown tomatoes but she's insisting that no actually canned tomatoes are just better
I just want to get a consensus but i'm going to continue to disagree with anyone else who is wrong about this
canned tomatoes are canned at ripeness, so in general, a canned tomato from the supermarket would be better than the fresh one for most of the year. that said, not all cans of tomato are created equal. you will likely find better results if you get whole peeled canned tomatoes instead of canned diced, depending on application.