Then reduce the heat to very low, cover with a tight-fitting lid and cook about 20 minutes.

Cover the dish with a tight-fitting lid and cook for 1 hour.

Bring up to the boil, then cover with a tight-fitting lid.

Place olive oil in a 5-quart casserole with a tight-fitting lid.

Lower to a simmer, cover with a tight-fitting lid and cook 6 minutes.

Reduce the heat, cover with a tight-fitting lid and cook gently for 1 hour.

Transfer the mixture to a container with a tight-fitting lid.

Cover the pan with a tight-fitting lid and place over a low heat.

Place butter in a 5-quart casserole with a tight-fitting lid.

In a 4-quart pot with a tight-fitting lid, heat olive oil.