This tuna noodle casserole recipe is a classic comfort food that is easy to make and is perfect for any weeknight meal! This one dish meal is a reliable classic that will leave everyone wanting more.
Preheat oven to 350°. Chop onion and set aside. Cook box of macaroni and cheese according to instructions. Place noodles in a large mixing bowl and stir in Velveeta cheese.
Bake for 20 minutes and remove from oven. Allow to cool for 5 minutes before serving. Enjoy!