Photo Credit: Mama Jin Kitchen
2 tablespoons butter
2 tablespoons all-purpose flour
1 cup milk
7 slices cheese
1/2 teaspoon salt
1 In a medium saucepan over medium heat, melt butter and stir in flour.
2 Pour in the milk and stir until the mixture thickens.
3 Stirring constantly, mix in cheese and salt.
4 Continue to cook and stir until cheese has melted and all ingredients are well blended, about 15 minutes.