Makes: 4 to 6 servings
Time: About 1 hour
Ingredients
4 tablespoons (1/2 stick) butter, plus more for greasing
1/4 cup all-purpose flour
1 1/2 cup milk, warmed until hot to the touch
6 eggs, separated
Salt and pepper
Dash cayenne or 1/2 teaspoon dry mustard
1/2 cup grated Cheddar, Manchego, Roquefort, Emmental, and/or other melting cheese
Instructions
1. Grease a …