Ingredients
Yield: 12 servings
6 slices good-quality white bread, crusts removed, torn or diced into 1/4- to 1/2-inch pieces
8 tablespoons (1 stick) unsalted butter, plus more for dish
5 ½ cups milk
½ cup all-purpose flour
2 tsp kosher salt
¼ tsp freshly grated nutmeg
¼ tsp freshly ground black pepper
¼ tsp cayenne pepper
4 ½ cups (about 18 ounces) grated sharp white cheddar
2 cups (about 8 ounces) grated Gruyere
16 oz elbow macaroni
Preparation
