Gradually add flour to milk, whisking till blended. Cook over medium heat in heavy saucepan till thick (about 8 min.), stirring constantly. Remove from heat. Stir in cheese, stirring till melted.
Nutritional Information:
318 Calories (kcal); 5g Total Fat; (15% calories from fat); 19g Protein; 47g Carbohydrate; 20mg Cholesterol; 247mg Sodium