11/2 pounds cooked shrimp, shelled, deveined, and chilled 1  firm ripe tomato, peeled and diced 1/4 cup thinly sliced green onions with tops 1/4 cup thinly sliced celery 1/2 cup lime juice 11/2 teaspoons salt 2 to 3 teaspoons soy sauce 1/4 teaspoon Worcestershire sauce 1/2 clove garlic, minced Leaf lettuce Dice chilled shrimp into [...]