Stouffer's Macaroni and Cheese Recipe

Directions:

1. Whisk flour into skim milk is a small saucepan.
2. Place it over medium low heat.
3. Added shredded cheddar cheese, margarine and salt.
4. Stir often with a spoon until the cheese begins to melt.
5. Reduce heat to low and simmer for 30 minutes.
6. Stir the sauce with a whisk every couple of minutes so it becomes smooth and thick.
7. While sauce thickens, boil macaroni according to directions and strain.
8. Once cheese sauce has simmered for 30 minutes, pour pasta into a medium bowl.
9. Gently stir in cheese sauce.
10. Pour mixture into a loaf pan or casserole dish.
11. Cover and freeze.
12. When ready to eat, preheat oven to 350 F and bake macaroni for 50 minutes or until cheese begins to brown slightly.