Cajun Shrimp without goat peppercorns

2 lbs large shrimp , raw and unpeeled (See Note Below) 2 tablespoons butter 1/2 sweet onion , diced 1 tablespoon fresh basil , chopped (or 1 tsp. dried basil)[...]

3 tablespoons granulated garlic 3 tablespoons granulated onion 3 tablespoons sweet paprika 1 tablespoon smoked paprika 1 tablespoon cayenne pepper 4 teaspoons[...]

3 tablespoons granulated garlic 3 tablespoons granulated onion 3 tablespoons sweet paprika 1 tablespoon smoked paprika 1 tablespoon cayenne pepper 4 teaspoons[...]