How to make a roast chicken

Preheat the oven to 240c. Wash the chicken thoroughly

Use a kitchen towel to dry the chicken

Salt it generously. Then rub olive oil on the entire chicken

Put the chicken in the casserole. Add in chopped onions, carrots and celery

Thyme.. Take out a few sprigs

Stuff the thyme into the chicken cavity

Add some lemon juice all over. Then stuff the lemon into the chicken cavity. Put the entire casserole into the oven. Lower the temperature to 200c.

After about 45 mins, cut up potatoes. Mix it with olive oil and put into the casserole

Cut up the corn. Add into the casserole, together with the mushrooms

After 1 hour 30 mins, the chicken should be ready. If you prefer it browner, let it remain in the oven for about 15 mins more.

Take out the casserole from the oven. Take the chicken out and wrap it with an aluminum foil so that it continues to cook

The rest of the vegetables can also be taken out and arranged on a plate

The gravy can be made using the liquid left in the casserole. Scoop up the oil, leaving only the brown part of the liquid. If it doesn't look thick enough, add some cornflour and cook over the stove.