Wash hands with soap and water.

Preheat oven to 350 °F.

Bring 1 quart of water to a boil in a large pot and cook the egg noodles in the water for 2 minutes.

Cover the pot, remove from heat, and let stand for 10 minutes.

In the meantime, mix the water, soup, and milk together in a bowl.

Combine tuna and peas with the mixture and pour into a 1-quart casserole dish.

Drain the noodles well and combine with the tuna mixture.

Sprinkle the top with bread crumbs if desired.