Spread the vegetables in a single layer onto a large baking tray or roasting pan. If you have too many to fit on one tray, then split and arrange over two trays.
Spray with the Lurpak Spray and put into the oven for 15 minutes.
Remove the veg from the oven and again coat with the Lurpak spray. Sprinkle over the thyme leaves then return to the oven for a further 15-20 minutes or until the golden and cooked through.