9 tablespoons butter
1/4 cup all purpose flour
2 1/2 cups milk (do not use low-fat or nonfat)
1 cup sliced stemmed fresh shiitake mushrooms (about 2 ounces)
1 cup sliced trimmed button mushrooms (about 2 ounces)
1/2 cup chopped green onions
1/4 cup chopped celery
1 tablespoon chopped fresh rosemary or 1 teaspoon dried
1 tablespoon chopped fresh thyme or 1 teaspoon dried
8 ounces egg noodles
1 12 1/4-ounce can tuna packed in water, drained well
1 1/2 cups fresh white breadcrumbs