Ingredients 1 cup mayonnaise ⅓ cup sour cream 1 large clove garlic, pressed 2 tablespoons lemon juice 2 anchovies, finely minced 1 teaspoon Worcestershire sauce 1 pound penne pasta, cooked until al dente and rinsed with cool water 6 large leaves Romaine lettuce, thinly sliced 1½ cups grape tomato...