This recipe makes a really delicious creamy cheese sauce. If you like you can also add one small slice of good quality cooked ham, shredded.
Melt the butter, stir in the flour and cook for one minute.
Gradually add the milk, stirring over a low heat for 5 to 6 minutes.
Take off the heat, stir in the gruyere and parmesan until melted, then stir in the mascarpone.
From 7 months