Preheat oven to 350
Prepare egg noodles according to package instructions. Drain and set aside.
4 oz. egg noodles
Chop onion and set aside.
1 small white onion
In large mixing bowl stir together soup and milk. Whisk to combine.
1 10.5 oz can cream of chicken soup, 1/2 cup milk
Spray 9x9 casserole dish and add cooked egg noodles, frozen peas, tuna (drained), cheese, onions and seasonings and then pour in the soup mixture.
2, 5 oz cans tuna in water, 1 cup frozen peas, 1 cup cheddar cheese, 1/2 tsp. salt, 1/2 tsp. pepper
Stir to combine.
Put in oven and cook for 20 minutes.
While the tuna casserole is in the oven, mix together bread crumbs and melted butter. After 20 minutes, sprinkle bread crumbs on top of the casserole and bake for 5 minutes longer until bread crumbs are golden brown.
1/4 cup bread crumbs, 1 tbsp butter