Prep 5 mins
Cook 0 mins
I got this of the side of a flour packet as well, but my Mum made it the other night to put in our gluten free lasagne, and it was wonderfull
- place butter, flour and milk in a saucepan.
- using a whisk, stir over medium heat allowing sauce to thicken.
- continue until smooth and thick then bring to the boil.
- remove from heat and season.