Use less Cayenne Pepper if you want a milder flavor.
Storage Instructions
How long does blackened seasoning last? Store in an airtight container (airtight jar) in your spice rack for up to 3 months. Although it won't necessarily 'go bad', it will lose its flavor over time.
Notes
Make in small batches so you don't have any sitting too long in the spice rack.
Sometimes adding a little brown sugar can lend a nice little sweet touch.