Reduce the heat, cover and simmer, cooking a total of 17 minutes.

Bring to the boil, then reduce the heat and cover.

Add the wine, then reduce heat, cover and cook slowly for 30 minutes.

Reduce heat to low, cover and cook for 2 minutes.

Add stock, reduce heat, cover and simmer for 40 minutes.

Bring to a boil, reduce heat, cover and cook for 17 minutes.

Reduce heat to low, cover and simmer for 30 minutes.

Then, reduce heat, cover and cook gently for 20 minutes.

Bring to the boil, reduce the heat, cover and cook for 40 minutes.

Reduce the heat, cover and cook gently for about 10 minutes.