One-pan roast dinner

Chicken with roasted roots
Chop 1.3kg mixed peeled carrots, parsnips, potatoes, celeriac and swede into even-size chunks, and roast alongside chicken as before.
Mediterranean chicken
Leave out the carrots, then after 20 mins roasting, stir 1 aubergine, 2 red peppers and 2 red onions, all cut into large chunks, in with the spuds. Swap the peas for cherry tomatoes, and replace the stock and Marmite with 5 tbsp balsamic vinegar and 2 tbsp honey.