Corned Beef on Toast

2 tablespoons butter

2 tablespoons all-purpose flour

¼ tablespoon salt

1 ½ cups milk

8 ounces corned beef

In a saucepan over medium heat, melt the butter. Stir continuously while adding the flour and milk. Continue stirring until the mixture thickens slightly. Place the corned beef into the mixture and, stirring continuously, cook five minutes, or until the beef is hot.