3 martha gruyere Recipes

good-quality bread, crusts removed , torn into 1/4 inch pieces, unsalted butter, plus more for dish, milk, all-purpose flour, kosher salt, freshly grated nutmeg, freshly grated pepper, cayenne pepper, grated white cheddar cheese (divided ), grated gruyere (divided ) or 1 1/4 cups about 5 oz grated pecorino romano cheese (divided), elbow macaroni (4 cups)

unsalted butter, plus more for casserole, white bread, crusts removed , torn into 1/4- to litre/2-inch pieces, milk, all-purpose flour, kosher salt, plus more for water, ground nutmeg, freshly ground black pepper, cayenne pepper, grated sharp white cheddar cheese, grated gruyere cheese, elbow macaroni