What I find so annoying is to order something "blackened" and it turns out to be nothing more than just some spices dusted on top of a piece of fish or meat. Blackening is a technique! The spices can be a variation of many spices usually consisting of paprika, onion/ garlic powder with salt, cayenne pepper, thyme and oregano. I make my own version adding almost everything in my spice cabinet. In all actuality, you can get the same effect using a Cajun Seasoning or even use the Cajun Seasoning with additional spices.
The technique: One, start with using a cast iron skillet. The heaviness of the pan holds an even and very hot temperature. Season your fish, meat, chicken or shrimp liberally with blackening season. Get your pan really hot! Put about a tablespoon of oil in the pan and add 1-2 tablespoons of butter. When the pan starts to smoke and the butter starts to brown that is when you add your desired food to be blackened. Once placed in the pan, do not disturb or move around until it is time to flip and cook the other side. If doing more than one batch you may need to add more oil and butter if the pan looks dry.
This is how your achieve a crispy, spicy dark crust. (In some recipes it says to coat the meat in butter first then season, that way is more time consuming and adds more fat). Rather, in your kitchen you can do whatever you want as long as the results are the same.
