Hearty Tuna Casserole

Hearty Tuna Casserole

Ann L 0

"This isn't your Grandma's tuna casserole, but it is sure to please everybody in the family."


1 h servings 371 cals
Serving size has been adjusted!

Original recipe yields 6 servings



  • Calories:
  • 371 kcal
  • 19%
  • Fat:
  • 24.5 g
  • 38%
  • Carbs:
  • 15.6g
  • 5%
  • Protein:
  • 22.3 g
  • 45%
  • Cholesterol:
  • 60 mg
  • 20%
  • Sodium:
  • 351 mg
  • 14%

Based on a 2,000 calorie diet

On Sale

What's on sale near you.


  • Prep

  • Cook

  • Ready In

  1. Preheat oven to 350 degrees F (175 degrees C). Grease a 2 quart casserole dish.
  2. Bring a large pot of salted water to a boil, add noodles, and cook until al dente; drain.
  3. In a large mixing bowl, combine noodles, tuna, celery, and green onion. Stir in sour cream, mustard, and mayonnaise. Season with salt and thyme. Spoon 1/2 of the noodle mixture into the prepared casserole dish. Arrange a layer of zucchini over the mixture. Top with the remaining noodles, followed by a layer of zucchini. Top the entire casserole with cheese.
  4. Bake in preheated oven for 30 minutes, or until hot and bubbly. Sprinkle the casserole with tomatoes before serving.
  • profile image

Your rating



  1. 228 Ratings


I've made this several times now and it is a favourite! I brown the onion and celery first, substitute the sour cream with yogurt and add 1/2 tsp each of dill, basil and pepper. Sometimes I wi...

Hmmm...interesting. I had a little bit of a tough time getting passed the weird taste of the heated mayonnaise in this. It's a decent dish, if you don't have cream of mushroom soup on hand to ma...

One of the better tuna casseroles I've made. I did substitute mushrooms for the zucchini.

I was looking for a tuna casserole that had something more than just noodles and tuna...and boy, did I find it!!! I've made this a hand full of times since finding the recipes...I add more zucch...

This was a great spin off of the usual tuna casserole. I loved the zucchini!

Great and definately not the norm. Changes I made: Added a bit of milk and walnut pieces. To help make this lowfat, I substituted the montary jack with colby/montary jack that comes in 2% milk. ...

I was looking for an interesting tuna casserole recipe that didn't use mixed vegetables or condensed soup. This one called for zucchini which I don't usually make and it sounded good. Well, it...

This recipe is alot like my own except I'd omit mustard and thyme. I also saute onion and celery until slightly tender.Any pasta will work and any cheese.I add peas and sliced black olives and ...

This was too "mustardy" for us. Next time I will cut down the mustard and add more sour cream and maybe a little milk, as it was a bit dry as well. I like that it's not the regular tuna and cond...