using raw shrimp:
Bring a pot of salted water to a boil. Add the shrimp and cook for 2–3 minutes, until pink and just cooked through. Drain and immediately transfer to an ice bath to cool. Then, chop the shrimp into bite-size pieces if desired. If using pre-cooked shrimp, just chop and set aside.
2. Mix the veggies:
In a large bowl, combine chopped red onion, cucumber, celery, jalapeño (if using), and cilantro.
3. Make the cocktail base:
In a separate bowl, whisk together the tomato juice, ketchup, lime juice,