Step 1

Cook the pasta in a large saucepan of boiling, salted water, following packet directions or until al dente. Refresh under cold water and drain.

Step 2

Dressing : Meanwhile, for the dressing, whisk together the mayonnaise, tomato sauce, juice and Worcestershire sauce in a large bowl.

Step 3

Arrange the pasta, prawns, cucumber, avocado, salad mix, chives, mint and dill on a platter. Season. Drizzle with the dressing and scatter with extra dill. Serve with lemon wedges, if you like.