Tuna Mornay
Flaky tinned tuna, sweet corn, and tender pasta baked in a rich, creamy cheese sauce beneath a golden breadcrumb crust.

- Prep
- 15 min
- Cook
- 30 min
- Total
- 45 min
- Servings
- 4
- Difficulty
- Easy
- Calories
- 560 kcal
Equipment
- โขmedium saucepan
- โขwhisk
- โขcasserole dish
- โขcolander
- โขbox grater
Nutrition
Per serving, approximate
- Calories
- 560 kcal
- fat
- 22 g
- carbs
- 52 g
- fibre
- 4 g
- protein
- 38 g
- calories
- 560 kcal
Instructions
- 1
Preheat the oven to 180ยฐC fan-forced and lightly grease a medium casserole dish.
- 2
Cook the macaroni in boiling salted water until just al dente, then drain.
- 3
Melt the butter in a saucepan over medium heat until foaming.
- 4
Stir in the plain flour and cook for one minute until pale.
- 5
Gradually whisk in the milk until completely smooth and lump-free.
- 6
Simmer the sauce gently for three minutes until thickened and glossy.
- 7
Remove from heat and stir in mustard, two-thirds of the cheese, salt, and pepper.
- 8
Fold the cooked pasta, drained tuna, peas, and corn into the cheese sauce.
- 9
Spoon the mixture evenly into the greased casserole dish.
- 10
Scatter the remaining cheese, breadcrumbs, and chopped parsley across the top.
- 11
Bake for twenty minutes until golden brown and bubbling at the edges.
Chef's tips
Use tasty cheese for an authentic, savoury Australian bite that cuts through the rich sauce. Ensure you press the excess liquid out of the canned tuna so the Mornay retains a thick, velvety texture.
Ingredient substitutions
- tasty cheese โ sharp cheddar or gruyรจre
- macaroni โ cooked white rice or spiral pasta
- breadcrumbs โ crushed plain salted potato crisps
Storage
Store leftovers in an airtight container in the refrigerator for up to three days.
Reheating
Reheat covered in an oven at 170ยฐC or microwave individual portions until piping hot throughout.
Common mistakes to avoid
- โขPouring all the milk in at once, causing the white sauce to turn lumpy.
- โขLeaving excess brine in the tinned tuna, resulting in a runny sauce.
- โขOvercooking the pasta on the stove before baking.
Serving suggestions
Cooked Tuna Mornay?
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