Preheat the oven to 180°C/350°F/Gas Mark 4.
Place the prepared vegetables, garlic bulb and herbs in a roasting tray. Drizzle with the olive oil and roast in the preheated oven for 30 minutes.
Remove from the oven, spoon over the marmalade and honey, mix well with two spoons, then season well with salt and pepper.
Put back in the oven for another 10 minutes, then squeeze out the soft garlic, discard the shell, and stir to coat. Serve immediately with any roast meats.
Serve immediately with any roast meats.