Instructions

  1. Place shrimp in a large bowl.
  2. Stir in garlic, red onion and cilantro.
  3. Mix in Clamato, ketchup, lime juice, minced serrano and horseradish.
  4. Season with salt.
  5. Cover and refrigerate 2-3 hours.
  6. Stir in avocado when ready to serve so it doesn't get too mushy.