The most important element of any pasta salad is to not overcook the pasta. Whatever pasta you chooose should be cooked until it's al dente, the Italian term for pasta that is cooked but still firm. To retain the firmness of pasta for the salad, make sure you run it under cool water after coooking, then dress in olive oil to prevent it from sticking.
Although this summer pasta salad recipe calls for olives, tomatoes and walnuts, you can prepare it with any vegetables you'd like. Ideally, you would use fresh seasonal ingredients. A great accompaniment would be a glass of sparkling wine.
These are tough times for chefs and restaurant professionals around the world, but there has never been a better time to seek advice and help around a number of topics affecting hospitality workers. Here's a round-up of some of the most useful resources for chefs.