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    Home » Recipes » Dinner

    Broccoli Tuna Mornay

    By Robyn | Published: Jun 12, 2025 | Modified: Sep 8, 2025

    TO THE RECIPE
    Baked tuna pasta mornay with a text overlay to create a pin for Pinterest.

    This broccoli tuna mornay is a comforting family dinner that is made with basic ingredients and, like my tuna pasta bake with sweetcorn, is one that I often make when stuck for inspiration. Creamy and cheesy, it is a family dinner that is always popular with all the family.

    Tuna mornay in baking dish with a portion taken out to show the creamy pasta filling.

    Tuna mornay is the Australian version of tuna pasta bake (in America it is likely to be called tuna casserole); with a homemade béchamel thickened with cheese, mixed with pasta and canned tuna, then sprinkled with breadcrumbs to create a crunchy golden topping. There are many versions, some with peas or corn, but I particularly love making it with broccoli or cauliflower like in this other dinner favourite cauliflower tuna pasta bake.

    Jump to:
    • Ingredient notes and substitutions
    • How to make tuna mornay
    • FAQ
    • Serving Ideas
    • Why not try…
    • Broccoli Tuna Mornay

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    Ingredient notes and substitutions

    Please scroll down to the recipe card at the end of the post for ingredient quantities.

    • Tuna – tinned or canned tuna, a store cupboard staple that often saves me from many a dinner emergency. I recommend using tuna chunks rather than tuna flakes, and I personally think tuna in oil is tastier than water, but either is fine.
    • Broccoli – this recipe uses all of the broccoli, the florets and the stalk.
    • Sauce seasonings – I love to add dijon mustard and Worcestershire sauce to bring out the cheese flavour of the sauce. If you don’t have dijon you can substitute with ¼ teaspoon mustard powder.
    Ingredients needed to make the recipe weighed out and placed in individual bowls.

    How to make tuna mornay

    Please scroll down to the recipe card at the end of the post for the full recipe.

    1. Boil the pasta – salt the water to season the pasta from the inside. Add the broccoli florets and finely chopped broccoli stalk for the last few minutes of cooking.
    2. Make the béchamel – melt the butter, add the flour and stir while the flour cooks out. Gradually add the liquid, a little at a time, stirring well in between each addition. I find a balloon whisk best for this. If there are any lumps forming it will soon eliminate them! Cook for a few minutes until the sauce starts to thicken.
    3. Stir the cheese into the sauce off the heat – if you add the cheese on the heat it can split – and add the dijon mustard, Worcestershire sauce and tuna.
    4. Bake – Combine the pasta, broccoli and tuna, top with breadcrumbs and parmesan and bake until golden.
    The baked tuna mornay pasta bake topped with golden breadcrumbs.

    FAQ

    What other vegetables can I add?

    You can soften a diced onion or shallot, or 2 grated carrots in the butter before making the sauce (the carrots will turn the pasta bake slightly orange), or add a couple of handfuls of frozen peas or sweetcorn to the sauce along with the tuna.

    Can I freeze this tuna mornay?

    I don’t recommend freezing this pasta bake as the broccoli can become mushy.

    Serving Ideas

    I love pasta bakes with veggies for the fact that you don’t have to cook anymore vegetables to serve on the side; however a crisp cabbage salad or rocket salad is always delicious, and for those with larger appetites (or to stretch it out for unexpected guests) a side of garlic bread is always popular!

    Why not try…

    You may also like these other family friendly pasta bakes:

    • A bowl of creamy chicken pasta with broccoli.
      Chicken and Broccoli Pasta Bake
    • cauliflower mac n cheese in baking dish with golden panko topping
      Ham and Cauliflower Mac and Cheese
    • Pasticcio with leftover roast lamb in baking dish with a portion removed.
      Leftover Lamb Pastitsio
    • A white dish of baked pasta shells stuffed with ricotta.
      Silverbeet And Ricotta Stuffed Shells
    A plate of tuna broccoli pasta with a fork holding a piece of broccoli.

    Broccoli Tuna Mornay

    Author: Robyn

    This creamy tuna mornay (tuna pasta bake) with tinned tuna, broccoli and pasta in a cheese sauce topped with crunchy golden breadcrumbs is a comforting family dinner loved by kids!
    No ratings yet
    Prep Time 20 minutes mins
    Cook Time 30 minutes mins
    Total Time 50 minutes mins
    Course dinner, Midweek Meals
    Cuisine modern australian, modern european
    Servings 4 People
    Calories 552 kcal

    Equipment

    • 28cm x 21 cm baking dish
    • large saucepan
    • medium saucepan
    • GRAMS
    • AU CUPS
    • US CUPS

    Ingredients
      

    • 250 g pasta fusilli, bows, penne
    • 350 g broccoli 1 large head or 2 medium. Cut into florets, the stalk finely chopped.
    • 75 g butter
    • 75 g plain flour
    • 400 ml milk
    • 400 ml water, stock or milk
    • Dash Worcester sauce
    • 1 teaspoon Dijon mustard
    • 100 g cheddar cheese grated
    • 185 g tinned / canned tuna in water or oil
    • black pepper
    • 50 g parmesan grated
    • 50 g panko breadcrumbs or 1 slice bread, blitzed into breadcrumbs

    Instructions
     

    • Preheat oven to 180˚C fan / 200˚C /360˚F convection / 390˚F.
    • Bring a large pan of salted water to the boil and cook the pasta according to the packet instructions less 1 minute.
    • Add the broccoli to the pasta for the final 4-5 minutes cooking time.

    While the pasta is cooking, make the Bechamel

    • In a medium saucepan melt the butter over a medium heat.
    • Once melted, stir in the flour. Cook for 2-3 minutes while stirring, then slowly add a little of the milk / stock / water, whisking with a ballon whisk in between each addition.
    • Once all the liquid has been added, cook for 4-5 minutes until the sauce starts to thicken.
    • Take the pan off the heat and stir in the cheese, dash of Worcester sauce, dijon mustard and then the tuna. Season with black pepper.
    • Drain the broccoli and pasta, and tip into a 28cm x 21 cm oven proof dish, then pour over the sauce. Mix to thoroughly coat the pasta and broccoli in sauce, then sprinkle over the parmesan, breadcrumbs and some black pepper.
    • Place in the preheated oven and cook for 25-30 minutes until golden and bubbling. Stand for a couple of minutes before serving.
    Print Recipe Pin Recipe Add to Collection Go to Collections

    Notes

    * in the UK tins of tuna weigh 145g rather than 185g, use one tin.
    STORAGE
    Fridge: leftovers will keep in the fridge, in an airtight container, for up to 3 days. Reheat in the microwave or in a saucepan over a low heat, adding a little extra water, until piping hot throughout.
    Freezing: I don’t recommend freezing this recipe as the broccoli can become mushy.

    Nutrition

    Calories: 552kcalCarbohydrates: 38gProtein: 30gFat: 32gSaturated Fat: 19gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gTrans Fat: 1gCholesterol: 103mgSodium: 1061mgPotassium: 780mgFiber: 4gSugar: 10gVitamin A: 1827IUVitamin C: 82mgCalcium: 544mgIron: 4mg
    Keyword tuna mornay, tuna pasta, tuna pasta bake, tuna pasta bake recipe

    HAVE YOU MADE THIS RECIPE?

    I’d love to see your creation!

    Tag me! #atmrsjoneskitchen
    Tag me! @atmrsjoneskitchen

    Or just leave a comment below!

    Ingredients
      

    • 250 g pasta fusilli, bows, penne
    • 350 g broccoli 1 large head or 2 medium. Cut into florets, the stalk finely chopped.
    • ⅓ c butter
    • ¾ c plain flour
    • 1¾ c milk
    • 1¾ c water, stock or milk
    • Dash Worcester sauce
    • 1 teaspoon Dijon mustard
    • 1 c cheddar cheese grated
    • 185 g tinned / canned tuna in water or oil
    • black pepper
    • ½ c parmesan grated
    • ½ c panko breadcrumbs or 1 slice bread, blitzed into breadcrumbs

    Instructions
     

    • Preheat oven to 180˚C fan / 200˚C /360˚F convection / 390˚F.
    • Bring a large pan of salted water to the boil and cook the pasta according to the packet instructions less 1 minute.
    • Add the broccoli to the pasta for the final 4-5 minutes cooking time.

    While the pasta is cooking, make the Bechamel

    • In a medium saucepan melt the butter over a medium heat.
    • Once melted, stir in the flour. Cook for 2-3 minutes while stirring, then slowly add a little of the milk / stock / water, whisking with a ballon whisk in between each addition.
    • Once all the liquid has been added, cook for 4-5 minutes until the sauce starts to thicken.
    • Take the pan off the heat and stir in the cheese, dash of Worcester sauce, dijon mustard and then the tuna. Season with black pepper.
    • Drain the broccoli and pasta, and tip into a 28cm x 21 cm oven proof dish, then pour over the sauce. Mix to thoroughly coat the pasta and broccoli in sauce, then sprinkle over the parmesan, breadcrumbs and some black pepper.
    • Place in the preheated oven and cook for 25-30 minutes until golden and bubbling. Stand for a couple of minutes before serving.
    Print Recipe Pin Recipe Add to Collection Go to Collections

    Notes

    * in the UK tins of tuna weigh 145g rather than 185g, use one tin.
    STORAGE
    Fridge: leftovers will keep in the fridge, in an airtight container, for up to 3 days. Reheat in the microwave or in a saucepan over a low heat, adding a little extra water, until piping hot throughout.
    Freezing: I don’t recommend freezing this recipe as the broccoli can become mushy.

    Nutrition

    Calories: 552kcalCarbohydrates: 38gProtein: 30gFat: 32gSaturated Fat: 19gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gTrans Fat: 1gCholesterol: 103mgSodium: 1061mgPotassium: 780mgFiber: 4gSugar: 10gVitamin A: 1827IUVitamin C: 82mgCalcium: 544mgIron: 4mg
    Keyword tuna mornay, tuna pasta, tuna pasta bake, tuna pasta bake recipe

    HAVE YOU MADE THIS RECIPE?

    I’d love to see your creation!

    Tag me! #atmrsjoneskitchen
    Tag me! @atmrsjoneskitchen

    Or just leave a comment below!

    Ingredients
      

    • 4 c pasta fusilli, bows, penne
    • 12 oz broccoli 1 large head or 2 medium. Cut into florets, the stalk finely chopped.
    • ⅓ c butter
    • ¾ c plain flour
    • 1¾ c milk
    • 1¾ c water, stock or milk
    • Dash Worcester sauce
    • 1 teaspoon Dijon mustard
    • 1 c cheddar cheese grated
    • 7 oz tinned / canned tuna in water or oil
    • black pepper
    • ½ c parmesan
    • ½ c panko breadcrumbs or 1 slice bread, blitzed into breadcrumbs

    Instructions
     

    • Preheat oven to 390˚F.
    • Bring a large pan of salted water to the boil and cook the pasta according to the packet instructions less 1 minute.
    • Add the broccoli to the pasta for the final 4-5 minutes cooking time.

    While the pasta is cooking, make the Bechamel

    • In a medium saucepan melt the butter over a medium heat.
    • Once melted, stir in the flour. Cook for 2-3 minutes while stirring, then slowly add a little of the milk / stock / water, whisking with a ballon whisk in between each addition.
    • Once all the liquid has been added, cook for 4-5 minutes until the sauce starts to thicken.
    • Take the pan off the heat and stir in the cheese, dash of Worcester sauce, dijon mustard and then the tuna. Season with black pepper.
    • Drain the broccoli and pasta, and tip into a 28cm x 21 cm (11 x 8 inch) oven proof dish, then pour over the sauce. Mix to thoroughly coat the pasta and broccoli in sauce, then sprinkle over the parmesan, breadcrumbs and some black pepper.
    • Place in the preheated oven and cook for 25-30 minutes until golden and bubbling. Stand for a couple of minutes before serving.
    Print Recipe Pin Recipe Add to Collection Go to Collections

    Notes

    * in the UK tins of tuna weigh 145g rather than 185g, use one tin.
    STORAGE
    Fridge: leftovers will keep in the fridge, in an airtight container, for up to 3 days. Reheat in the microwave or in a saucepan over a low heat, adding a little extra water, until piping hot throughout.
    Freezing: I don’t recommend freezing this recipe as the broccoli can become mushy.

    Nutrition

    Calories: 552kcalCarbohydrates: 38gProtein: 30gFat: 32gSaturated Fat: 19gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gTrans Fat: 1gCholesterol: 103mgSodium: 1061mgPotassium: 780mgFiber: 4gSugar: 10gVitamin A: 1827IUVitamin C: 82mgCalcium: 544mgIron: 4mg
    Keyword tuna mornay, tuna pasta, tuna pasta bake, tuna pasta bake recipe

    HAVE YOU MADE THIS RECIPE?

    I’d love to see your creation!

    Tag me! #atmrsjoneskitchen
    Tag me! @atmrsjoneskitchen

    Or just leave a comment below!

    « Meal Plan 2
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    Robyn Jones, Recipe Developer & Food Photographer

    Robyn Jones

    Recipe Developer | Food Photographer | Writer

    Hi! I'm Robyn, a toddler mum with a passion for all things food! Having moved internationally 7 times in the past 12 years I have developed a love of making international recipes into family friendly ones you can make in your own home, with local ingredients; wherever you live!

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