INGREDIENTS
1/2 tsp
Mustard powder
1 lb
Macaroni
1/2 cup
Flour
1/4 tsp
Nutmeg, ground
1
Salt and pepper
2
American cheese
5 tbsp
Butter
3 1/2 cups
Cheddar, grated sharp yellow
3 oz
Fontina
1 1/2 cups
Gruyere, grated
5 cups
Milk
1/2 cup
Monterey jack, grated
1/2 cup
Parmesan, grated