How to Make It
Stir together lemon slices, onion, olive oil, vinegar, dill, parsley, Creole seasoning, and garlic in a large bowl; transfer to a zip-top plastic freezer bag. Add shrimp, turning to coat. Seal and chill 2 to 6 hours. Remove shrimp, discarding marinade. Sprinkle shrimp with table salt and freshly ground black pepper to taste.