Once all the milk has been added, keep stirring and reduce the heat to its lowest setting. Cook the sauce for a further 4 minutes and then crumble in the blue cheese. Allow the cheese to melt ...
2. Add milk very gradually, stirring vigorously all the time to avoid lumps. 3. Bring to a boil. Lower the heat and simmer for 2-3 minutes, continuing to stir to avoid scorching. 4. Add the salt, ...