Suffolk Oxtail Brawn

• 1 oxtail
• 1oz butter
• 1 onion

Wash the oxtail and cut it into joints. Dry it well and dust it lightly with a little flour. Melt the butter and fry the oxtail, turning it so that it is brown all over. Add the onion stuck with the cloves, the bunch of herbs, salt and pepper and the vinegar, and cover with cold water. Bring to the boil and simmer for four hours until the meat leaves the bones. Cool slightly and then chop the m