a very simple way to roast veggies
Build as a French Tian
cut all veggies with a mandolin build a caramelized onion at the bottom or the dish place all veggies in a row or as a mosaic olive oil, salt, pepper ,herbes de Provence or my chimichurri seasoning
Oven at 350 F add a little dish with water at the bottom of the oven and you veggie will have a beautiful colour