Cheese sauce :
-A teaspoon of flour
-First,heat the milk for 4-5 minutes.
-Keep the heat low.
-Gradually,add the cheese a little at a time.Mix them thoroughly after each addition.
-Stir constantly to make the sauce smooth.Any lumps now,and you as well give up!
-Once the cheese has melted,add flour to form it into smooth paste.
-Wait it to boil
Its now ready to serve with lasagna or macaroni.You can change the recipe to make it tastier.Maybe by adding origano/chicken stock etc.