Instructions

  1. Bring 7 1/2 cups water to a rolling boil. Add the shrimp, and cook 2 to 3 minutes or until shrimp turn pink. Do not overcook. Drain and rinse with cold water. Ice the shrimp to cool, then peel and if desired, devein.
  2. .Layer the shrimp, red onion slices and bell pepper slices in an airtight container.
  3. Whisk together vegetable oil and next 9 ingredients; pour over shrimp. Cover and chill 48 hours, stirring occasionally.
  4. Stir in 1/2 cup chopped basil 1 hour before serving.