Tuna Mornay


"This is the best Tuna Mornay recipe I've found... My family is always excited when we have it for dinner."


40 m servings 551 cals
Serving size has been adjusted!

Original recipe yields 6 servings



  • Calories:
  • 551 kcal
  • 28%
  • Fat:
  • 24.7 g
  • 38%
  • Carbs:
  • 40g
  • 13%
  • Protein:
  • 41.8 g
  • 84%
  • Cholesterol:
  • 182 mg
  • 61%
  • Sodium:
  • 418 mg
  • 17%

Based on a 2,000 calorie diet

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  • Prep

  • Cook

  • Ready In

  1. Preheat the oven to 350 degrees F (175 degrees C).
  2. Melt the butter in a small skillet over low heat. Stir in the flour until smooth and continue to cook and stir for 1 minute. Remove the pan from the heat and gradually stir in the milk so that no lumps form. Return to the burner and heat, stirring constantly, until thickened, about 3 minutes. Remove from the heat and whisk in the mustard powder and a little more than half of the Cheddar cheese until melted. Season with salt and pepper.
  3. Flake the tuna and stir it into the sauce along with the parsley and chopped egg. Transfer to a 9 inch round cake pan. Mix together the potato chips and remaining Cheddar cheese and sprinkle over the top. Dust very lightly with paprika.
  4. Bake for 20 minutes in the preheated oven, or until the top is golden brown.
  5. Meanwhile, bring a large pot of lightly salted water to a boil. Add fettuccini pasta and cook for 8 minutes, or until tender; drain. Serve tuna Mornay over fettucine.
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Your rating



  1. 16 Ratings


I didn't really understand this recipe. For example, I didn't see the point of baking it in the oven -- the eggs are precooked, the tuna is canned, etc. Why bake at 350? I also think more eff...

I am only giving this recipe 5 stars because my fussy - very picky boys have BEGGED me to fix it again. I personally thought it was gross and I have to make it again tonight...ugh!

I LOVED this recipe, not too hard to cook and tastes great. The kids and I could eat this seven nights a week.

This was absolutely not good. It was OK, but far from being good. I've made simular dishes like this one, but this one is at the bottom of those prior.

Great family filler. Great for those of us that are conscious of needing one more fish meal per week. I added spanish onion and fresh asparagus to the mix before putting in the oven and served...

Not what I expected,I wouldn't make it again.

This was a great Sunday evening filler after a big lunch. The sauce did need more flour to thicken and I added more cheese and, it's probably sacriledge but I left out the egg. Both me and my hu...

Very nice. My husband loved it! Thank you.

This was okay, nothing "knock your socks off", or horrible. Fairly bland and mushy. Added mixed veggies for color and flavor/texture. Don't really think it's worth the time or effort, but it ...