Pat shrimp dry
Season shrimp with Zatarain’s Cajun seasoning, set aside
Drain pineapple and reserve ¼ cup of juice
Place pineapple on sheet pan and broil until slightly charred
In a small saute pan, cook chorizo on medium heat until cooked to 160 degrees
Heat a large cast iron pan on medium high heat
Add cooking oil
Sear shrimp on one side until browned
Turn shrimp over and add pineapple juice, cook until opaque
Assemble tacos: tomatillo salsa, shrimp, chorizo, pineapple, cilantro