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Home Recipes Fish Recipes Tuna Casserole Recipe

Tuna Casserole Recipe

By: Vanjo Merano 9 Comments Updated: 7/27/25
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Here is a delicious dish that you can serve during lent: Tuna Casserole.This tuna pasta recipe is quick and easy to prepare. All you need to do is mix the ingredients and then bake. Most of the ingredients for this recipe are common.

tuna casserole recipe

You can easily find them in your favorite grocery.I like this Tuna Casserole because it is rich and creamy. The flavor of tuna blends well with the other ingredients. I also like the crunch that the french fried onion bring.I’m not sure if you are a fan of french fried onions.

We have also other good casserole recipes aside from tuna. Our chicken casserole recipe is something that you should see.

If you want a crunchy texture without using french fried onions, potato chips is the best alternative and I think that it improved the texture of this of our Tuna Casserole.I am using a conventional oven every time I bake tuna casserole. You can also use turbo broiler (convection oven) as an alternative. I am positive that the result will be great! Enjoy your meal!

Try this Tuna Casserole recipe and let us know what you think.



 

Did you make this? If you snap a photo, please be sure tag us on Instagram at @panlasangpinoy or hashtag #panlasangpinoy so we can see your creations!

5 from 1 vote

Tuna Casserole

Tuna casserole brings penne, tuna, mushrooms, and green peas together in a creamy cheddar and mushroom sauce. It bakes under a golden layer of melted cheese and crunchy French fried onions in about 20 minutes.
Prep: 15 minutes minutes
Cook: 32 minutes minutes
Resting Time: 5 minutes minutes
Total: 52 minutes minutes
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Ingredients

  • 12 oz penne pasta
  • 2 cans tuna 5-ounce cans, drained
  • 1/2 cup yellow onion chopped
  • 1 1/2 cups fresh mushrooms chopped
  • 1 cup frozen green peas
  • 2 cans condensed cream of mushroom soup 11-ounce cans
  • 2 cups sharp cheddar cheese shredded and divided
  • 1 cup French fried onions lightly crushed
  • 1 teaspoon salt
US CustomaryMetric

Equipment

  • 1 Large pot For boiling the penne.
  • 1 Colander For draining the pasta.
  • 1 Large mixing bowl Gives you room to coat the pasta evenly with the sauce.
  • 1 9×13-inch baking dish Holds the full batch in an even layer.

Instructions

  • Cook the penne according to the package instructions until al dente. Drain and set aside.
    12 oz penne pasta
  • Preheat the oven to 400°F.
  • In a large mixing bowl, combine the cooked penne, tuna, green peas, chopped onion, and mushrooms.
    12 oz penne pasta, 2 cans tuna, 1 cup frozen green peas, 1/2 cup yellow onion, 1 1/2 cups fresh mushrooms
  • Pour in the cream of mushroom soup, then add 1 cup of the cheddar cheese and the salt. Toss until the pasta and the rest of the ingredients are evenly coated.
    2 cans condensed cream of mushroom soup, 2 cups sharp cheddar cheese, 1 teaspoon salt
  • Transfer the mixture to a baking dish and spread it out evenly.
  • Sprinkle the remaining 1 cup of cheddar cheese over the top, followed by the crushed French fried onions.
    2 cups sharp cheddar cheese, 1 cup French fried onions
  • Bake for 18 to 22 minutes, or until the casserole is hot all the way through and the cheese has completely melted.
  • Let the tuna casserole rest for about 5 minutes before serving. Share and enjoy!

Notes

Salt – This version uses 1 teaspoon of salt, since the soup, cheddar, tuna, and fried onions already bring plenty of seasoning. Taste the sauced pasta before baking and adjust from there.
Make-ahead – Assemble the casserole up to step 5, cover, and refrigerate for up to 1 day. Add the cheese and fried onion topping right before baking, and give it a few extra minutes in the oven.
Crunchy topping – Crush the French fried onions by hand inside the container so you keep some larger pieces for texture.
Freezing – Freeze baked leftovers in airtight containers for up to 2 months. Thaw overnight in the refrigerator and reheat at 350°F until hot in the center.
Tuna choice – Solid white albacore gives you bigger flakes, while chunk light tuna blends more evenly into the sauce.

Nutrition Information

Calories: 507kcal (25%) Carbohydrates: 54g (18%) Protein: 34g (68%) Fat: 17g (26%) Saturated Fat: 9g (45%) Polyunsaturated Fat: 1g Monounsaturated Fat: 4g Trans Fat: 0.002g Cholesterol: 63mg (21%) Sodium: 1485mg (62%) Potassium: 538mg (15%) Fiber: 4g (16%) Sugar: 4g (4%) Vitamin A: 595IU (12%) Vitamin C: 11mg (13%) Calcium: 303mg (30%) Iron: 3mg (17%)
© copyright: Vanjo Merano

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Vanjo Merano

Vanjo Merano is the creator of PanlasangPinoy.com. His goal is to introduce Filipino Food and Filipino Cuisine to the rest of the world. This blog was the first step that he took.

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Recipe Rating





  1. Mary Ann Masagca says

    Posted on 11/13/22 at 10:18 pm

    5 stars
    Maraming salamat po sa recipe nato! It is my daughter’s favorite, I cooked it 3-4 times for her. It is so cheesy and makes good use of our canned tuna . The only thing I missed is the cream of mushroom.. I put 2 can of golden mushroom and I put a little heavy cream. Thanks !

    Reply
  2. Vanjo Merano says

    Posted on 1/15/14 at 11:45 am

    It’s my pleasure, Marilyn. I’m glad to be of help.

    Reply
  3. Raquel says

    Posted on 4/15/12 at 2:26 am

    Your site was great…I always rely here whenever I’m thinking of what to cook ‘coz I’m really not an expert in cooking. All kinds of dish can be find here ..Thanks.

    Reply
  4. uts says

    Posted on 10/14/11 at 9:39 am

    i would like to take this opportunity to praise your website. I never cooked in my entire life until i accidentally found you in youtube. You really made a big changes in me. Now i am proud to tell everyone that i can cook :)thanks to you. God Bless You More! Mabuhay ang panlasang pinoy!

    Reply
  5. Angel says

    Posted on 4/21/11 at 2:51 pm

    guys, do we have french fried onions in the PH?

    Reply
  6. Kae says

    Posted on 4/9/11 at 8:15 am

    Hi! I’ve been trying most of the dishes here and I haven’t received any complaints from my family. 🙂

    I made this Tuna Casserole Recipe for tonight. I improvised a little because instead of Cream of Mushroom, I only had Cream of Chicken and Corn. It ended up great, like all the other dishes I made from your recipes. It was indeed filling but light. We couldn’t help getting 3rd and 4th servings!

    I’m quite a novice cook, and your website helps me heaps preparing meals for my family. I loved that you incorporated videos in your recipes. It makes everything easier to follow. I’ll make the Shepherd’s Pie dish tomorrow.

    More power and please share more baked dishes like this one. Thanks a lot! 🙂

    Reply
  7. jo says

    Posted on 4/4/11 at 4:49 pm

    what is a French fried onion?what is the ingredients for it?

    Reply
  8. Annie says

    Posted on 4/2/11 at 10:36 am

    Hi. Wrong question. Just got my answer. Thanks.

    Reply
  9. Annie says

    Posted on 4/2/11 at 10:33 am

    Hi there. I love your site. I’ve tried most of your recipes. Just want to ask what is french fried onion? thanks.

    Reply

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