To add a gluten-free variation, to this California Pasta Salad just swap out the usual thin spaghetti with your preferred gluten-free pasta option. Make sure to choose a brand of gluten-free pasta to ensure it has the same enjoyable texture and taste, as the original recipe. By making this substitution you can enjoy all the sunny flavors of California without worrying about gluten making it a dish that will please everyone at your table.