INGREDIENTS
1 tsp
Mustard, dry
3/4 lb
Macaroni, dry
1/4 cup
All-purpose flour
1/8 tsp
Black pepper, freshly ground
1/8 tsp
Cayenne pepper
1 tsp
Kosher sea salt
1/8 tsp
Nutmeg, ground
1/8 tsp
Paprika
3
slices Bread
4 tbsp
Butter, unsalted
1 cup
Gouda cheese, grated
2 cups
Havarti cheese, grated
3 cups
Milk
1/4 cup
Pecorino romano cheese, grated