INGREDIENTS
4 oz
Ham, cooked and thinly sliced
2 tsp
Mustard powder
1 tsp
Worcestershire sauce
1 lb
Elbow macaroni, dry
5 tbsp
All-purpose flour
2 tsp
Cayenne pepper, ground
2 tsp
Salt
5 tbsp
Butter, unsalted
5 oz
Cheddar cheese, sharp grated
4 oz
Gruyere cheese, grated
3 oz
Mozzarella cheese, fresh
8 oz
Parmigiano-reggiano cheese, grated
4 1/2 cups
Whole milk