Remove chorizo from the casing and cook in a large saute pan. Add the wine and reduce by half. Add the butter, Cajun seasoning, garlic powder, salsa, and shrimp to the pan. Cook for about 2 minutes. Add the cauliflower and cook for another 5 minutes until the shrimp are cooked through.Remove from the heat and add the scallions, cilantro and lime juice.Season with salt and pepper to taste before serving.