Ingredients

8 Tbsp. (1 stick) unsalted butter, plus more for dish 6 slices good white bread, crusts removed, torn into ¼- to ½-inch pieces 5½ cups milk ½ cup all-purpose flour 2 tsp. salt ¼ tsp. freshly grated nutmeg ¼ tsp. freshly ground black pepper ¼ tsp. cayenne pepper, or to taste 4½ cups grated sharp white cheddar cheese (about 18 ounces) 2 cups grated Gruyère cheese (about 8 ounces) or 1¼ cups grated Pecorino Romano cheese (about 5 ounces) 1 lb. elbow macaroni

Description

8 Tbsp. (1 Stick) Unsalted Butter, Plus More For Dish 6 Slices Good White Bread, Crusts Removed, Torn Into ¼- To ½-inch Pieces 5½ Cups Milk ½ Cup All-purpos

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