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Cheesy one pot tuna casserole in a white bowl, garnished with parsley, with egg noodles, peas, and tuna on a wooden table

One Pot Tuna Casserole

This one pot tuna casserole is a creamy, cheesy, and comforting classic that’s simple to make and perfect for weeknight dinners. Packed with tender egg noodles, sweet green peas, and a rich, flavorful tuna and cheese sauce, this easy tuna casserole comes together quickly in just one pot, minimizing cleanup. It's an ideal choice for one pot dinner ideas and a family-friendly tuna casserole that everyone will love!
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Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings: 8 servings
Course: Main Course
Cuisine: American
Calories: 250
Ingredients Equipment Method Notes

Ingredients
  

  • 1 (16 ounce) package egg noodles
  • 1 (10 ounce) package frozen green peas thawed
  • 1/4 cup butter
  • 1 (10.75 ounce) can condensed cream of mushroom soup (or swap with cream of celery if preferred)
  • 1 (5 ounce) can tuna drained
  • 1/4 cup milk
  • 1 cup shredded cheddar cheese

Equipment

  • Large pot
  • Wooden spoon

Method
 

  1. Cook the pasta and peas. Bring a large pot of lightly salted water to a boil. Add the egg noodles and cook until al dente, about 7–8 minutes. Toss in the peas during the final 3 minutes of cooking. Drain and set aside.
  2. Make the creamy base. In the same pot, melt the butter over medium heat. Stir in the condensed cream of mushroom soup, drained tuna, and milk. Mix until smooth.
  3. Add the cheese. Toss in the shredded cheddar cheese and stir until melted and creamy. Take a moment to taste and adjust seasoning if needed (a pinch of salt and pepper works wonders).
  4. Combine everything. Return the cooked noodles and peas to the pot. Gently stir until everything is evenly coated in the cheesy, tuna-packed goodness. Serve hot and enjoy!

Notes

For a fun twist, swap the cream of mushroom soup with cream of celery for a lighter flavor. Feel free to get creative with the cheese—Monterey Jack, mozzarella, or a sprinkle of Parmesan can add extra depth. To make cleanup even easier, spray your pot with non-stick cooking spray before starting!