French Fry Tuna Casserole Recipe- Super Easy, Gluten Free, and Delicious

I almost feel ridiculous sharing this recipe, because, in my books, it isn't really a recipe, because it is so simple. However, since I've made it a few times recently and it's a hit with my family, I decided to share it. This isn't a particularly frugal recipe, however, it isn't so expensive either, and it is very quick to make, no knives needed, no dishes needed, and if you use a disposable pan it is absolutely no mess. 

This is something I've been relying on since I've been having some health issues that sap me of all my energy, but I still need to feed myself and my family. This is an entire meal in one with carbs, veggies, and protein, and it tastes great too.

Nearly everything in it is either frozen or canned, so you don't need to chop up stuff, and it's all shelf stable, so these things are easy to have on hand if you can't make it to the grocery store often.

I based this off a tuna noodle casserole I've made since I was a kid, but instead of noodles, I use French fries so there's no separate step of cooking the noodles, and so its one pan, and gluten free.

French Fry Tuna Casserole Recipe- Super Easy, Gluten Free, and Delicious

Frozen corn
Frozen green beans
Frozen French fries
Tuna in water (important)

1. Mix frozen corn, green beans, and 1 can of tuna in water (including the water) in a 9x13 baking pan. Put enough so that it covers the bottom in a thin layer. This was approximately 1/3 of a bag of corn, and 1/3 of a bag of green beans. 

2. Add a little salt and pepper.

3. Add a layer of frozen french fries to your pan, enough to cover the bottom layer of the pan so that it is about 2-3 inches in depth. If you do more than this, the texture won't be as good, so I recommend if you need more than this amount, make this in two separate pans.

4. Sprinkle with salt and pepper and bake at 375 until the French fries are starting to brown and get crispy. This should take about 20-25 minutes.

5. Mix with a liberal amount of meltable cheese of your choice. I like to mix yellow cheese and parmesan, but feel free to use cheddar, munsteur, mozeralla, whatever you like. At this point, yes, you are mixing the French fries layer with the bottom layer as well as the cheese. Add more salt if needed.

6. Bake at 350 for about 5-10 minutes or until the cheese is melted and starting to get a bit crispy at the top.

7. Serve plain or with a little bit of ketchup. Usually it doesn't need any ketchup if you made sure to add enough salt and enough cheese.


 If you don't like corn, feel free to swap that out with canned mushrooms or another frozen veggie of your choice or just more green beans.
And if you aren't short on energy, feel free to chop your own potatoes for your French fries, but mix them with oil before baking.

What is your favorite easy meal to make for your family? Does this look like something your family would enjoy? How much would this dish cost you to make?

Penniless Parenting

Mommy, wife, writer, baker, chef, crafter, sewer, teacher, babysitter, cleaning lady, penny pincher, frugal gal


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  1. Your swap idea of mushrooms reminded me of my mother's tuna casserole recipe. She used cream of mushroom soup with macaroni noodles instead of fries and with peas, cheese, some dry mustard and topped it with crunched up potato chips. I know they joke about tuna casserole but it was sooooo good! I'm glad you found an easy recipe that everyone likes. Hope you're feeling better too.

  2. Hope your medical issues are sorted soon. Thanks for this amazing recipe. I have the feeling it will become a Saturday Special at our house!

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