Luby's Cafeteria Macaroni and Cheese

Ingredients

2 cups dry shells  (8 oz.)

2 tablespoons nonfat dry milk powder

2 tablespoons all-purpose flour

1 tablespoon butter, melted

1 1/4 cups boiling water

3 cups American Cheese and Cheddar mixed together, shredded (12 oz.)

Directions

1 Cook macaroni according to package directions

2  Heat oven to 350ºF.

3  In a large bowl, mix dry milk, flour, and butter.
4  Gradually add boiling water, beating constantly.
5  Add 1 1/2 of the cheese and continue beating until smooth and creamy.
6  Stir in macaroni, 1 cup of the remaining cheese, and salt.
7  Transfer to lightly greased 2-qt baking dish.
8  Cover with foil.
9  Bake 25 minutes.
10  Remove foil.
11  Sprinkle with remaining 1/2 cup cheese.
12  Continue baking 1 minute or until cheese melts.