Preheat your oven to 200C (400F). Chop veg into 2cm (1in) chunks. Place veg in a large roasting pan. Drizzle generously with olive oil and toss to mix. Sprinkle with salt.
Roast veg for 45-50 minutes. Stirring once or twice.
When all the veg are soft, remove from the oven toss in the vinegar. Taste and season with more salt and /or vinegar if needed.
Toss through herbs and serve hot or at room temp with a big dollop of aioli or mayo.