Tuna Casserole Supreme

Ingredients

• n beans
• 1 cup chopped onions
• 1 cup sliced fresh mushrooms
• 1/4 cup chopped celery
• 1 garlic clove, minced
• 1/2 teaspoon dill weed
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 4 teaspoons cornstarch
• 1 1/2 cups milk
• 1/2 cup shredded Swiss cheese
• 1/4 cup mayonnaise
• 2-1/2 cups medium noodles, cooked and drained
• 1 can (12.25 ounce) tuna, drained and flaked
• 1/3 cup dry bread crumbs
• 1 Tablespoon butter or margarine