In theory, as long as you're avoiding foods like bread, pasta, and cake ... toasted sesame noodle salad at home, tamari is often suggested as the best gluten-free substitute.
Turn the heat off and leave to infuse. Bring a large pan of salted water to the boil, add the pasta and cook for 10 minutes. Add the cauliflower and broccoli, return to a simmer and cook for ...