Ingredients
• 3 pounds large raw shrimp, peeled and deveined
• 4 oranges, peeled and sectioned
• 2 to 3 medium white onions, sliced
• 1 to 1 1/2 cups cider vinegar
• 1 cup vegetable oil
• 2/3 cup fresh lemon juice
• 1/2 cup ketchup
• 2 tablespoons drained capers
• 2 tablespoons minced parsley
• 2 teaspoons salt
• 2 teaspoons mustard seed
• 1/4 teaspoon pepper
• 2 cloves garlic, crushed

Cook shrimp in boiling water only 2 minutes. Rinse with cold water until thoroughly chilled. Drain. Combine shrimp, oranges, and onions in a large bowl. Mix remaining ingredients and pour over shrimp mixture. Cover and refrigerate 8 hours or overnight, stirring occasionally. Drain and serve on a bed of lettuce or in individual shells.