https://www.tastingtable.com/2081768/trader-joes-spice-skip-cinnamon/
Trader Joe's and Costco both carry organic ground Saigon cinnamon, but Costco's version is a better investment, especially for home baristas and bakers.
trader joeground cinnamontasty
https://www.loseit.com/articles/cinnamon-powder-vs-ground-cinnamon/
Cinnamon powder and ground cinnamon are essentially the same product provided they're the same kind of cinnamon. Cinnamon actually comes in several varieties.
cinnamon powdervsground