
Tuna Noodle Casserole recipe is a classic for good reason. In this weeknight favorite, flaky tuna and tender egg noodles are mixed with a cheesy creamy sauce and baked under a crumb topping until golden and bubbly.
Preheat oven to 425°F. Combine topping ingredients and set aside.
Boil noodles al dente according to package directions. Drain and rinse under cold water.
Cook onion and celery in butter until tender, about 5-7 minutes.
In a large bowl combine noodles, onion mixture, peas, soup, milk, cheese, tuna and parsley. Mix well.
Spread into a 2qt casserole dish and top with crumb topping.
Bake 18-20 minutes or until bubbly.