3 classic test Recipes

white bread , torn into rough pieces, unsalted butter, cut into 6 pieces (cold ), elbow macaroni, salt, unsalted butter, flour, mustard powder, cayenne pepper, milk, shredded monterey jack cheese, shredded sharp cheddar cheese, salt

unsalted butter, celery ribs, chopped fine, onions, minced, fresh parsley, minced, dried sage, dried thyme, dried marjoram, white bread, cut into 1/2 inch cubes and dried, low sodium chicken broth, eggs, lightly beaten, salt, pepper