Check The Color Of Your Cinnamon, It Might Actually Be Inferior - Tasting Table
Ceylon cinnamon is a higher-quality, paler-toned spice with more flavor compounds and far less coumarin than Cassia, making it preferred for taste and medicinal use.
One Quick Snap Reveals If Your Cinnamon Stick Is High-Quality Or Low-Grade - Tasting Table
Snap a cinnamon quill; a clean, easy break with thin layers indicates Ceylon (true) cinnamon, while a hard, splintering break indicates Cassia with more coumarin.