Season the meat well.
Heat the butter in a large pan and brown the meat well on all sides.
Transfer to Slo cooker.
In remaining butter fry the onions and carrot lightly until onion is transparent.
Add stock and bay leaf and bring to the boil.
Pour round the meat.
Cook for the recommended time.
Remove the meat and place on a serving disk Keep hot Strain the stock In a saucepan blend a little flour with cold water to make a paste.
Gradually add the stock Bring to the boil stirring all the time.
Adjust seasoning if necessary.