INGREDIENTS
1
package Spinach, frozen dry
5
Egg whites, large
4
Egg yolks, large
3 tbsp
All-purpose flour
1 pinch
Cayenne pepper
1/8 tsp
Cream of tartar
1
Kosher salt and freshly ground black pepper
1/4 tsp
Nutmeg
3 tbsp
Butter, unsalted
1/2 cup
Cheddar cheese, grated aged lightly packed
1/4 cup
Parmesan cheese
1 cup
Scalded milk