25-Minute Tuna Casserole: A Simple Weeknight Dinner Recipe

Last Updated: June 26, 2026By Tags: , , , , , ,



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Quick Weeknight Dinner: Easy Tuna Casserole in 25 Minutes

When it comes to weeknight dinners, quick and satisfying meals are essential for busy families and professionals. One dish that ticks all the boxes is the classic tuna casserole. Not only is it a comforting dish that evokes nostalgia, but it can also be whipped up in just 25 minutes, making it a perfect candidate for those hectic evenings.

Ingredients

For this easy tuna casserole, you will need:

  • 300g pasta of your choice (fusilli or penne work well)
  • 2 cans (approximately 400g each) of tuna in brine, drained
  • 300ml of crème fraîche or sour cream
  • 200g frozen green peas
  • 150g grated cheese (cheddar or a blend for extra flavour)
  • 1 small onion, finely chopped
  • 2 cloves of garlic, minced
  • 1 teaspoon dried oregano
  • Salt and pepper to taste
  • A sprinkle of breadcrumbs (optional, for a crunchy topping)

Method

Step 1: Cook the Pasta

Begin by bringing a large pot of salted water to a rolling boil. Add your pasta and cook according to the package instructions until al dente. This usually takes around 8 to 10 minutes. While the pasta is cooking, you can prepare the rest of the ingredients, saving you precious time.

Step 2: Sauté the Aromatics

In a large frying pan, heat a splash of oil over medium heat. Add the finely chopped onion and cook until softened, about 3 minutes. Stir in the minced garlic and dried oregano, cooking for an additional minute until fragrant.

Step 3: Combine the Ingredients

Once the pasta is cooked, drain it well and return it to the pot. Add the sautéed onions and garlic, drained tuna, frozen peas, crème fraîche, and half of the grated cheese. Season with salt and pepper, then mix everything until well combined.

Step 4: Transfer to the Oven

Preheat your oven to 180°C (350°F). Transfer the pasta mixture into a greased ovenproof dish. Top with the remaining cheese and sprinkle breadcrumbs over the top if you fancy a crunchy finish.

Step 5: Bake and Serve

Place the casserole in the preheated oven and bake for about 10 minutes, or until the cheese is melted and bubbling. Once cooked, remove from the oven and let it cool for a minute before serving.

Customisation Options

While this tuna casserole recipe is delicious as is, there are numerous ways to customise it based on your preferences or what you have on hand:

  • Vegetables: Feel free to toss in other vegetables such as sweetcorn, bell peppers, or spinach for added nutrition.
  • Seasonings: For a bit of a kick, add a pinch of cayenne pepper or paprika.
  • Pasta Variations: Whole wheat or gluten-free pasta can easily be swapped in for those with dietary restrictions.

Conclusion

This easy tuna casserole is a delightful weeknight meal that shines in its simplicity and versatility. With minimal preparation and a short cooking time, it’s an ideal choice for those evenings when time is of the essence. So gather the family, and enjoy a comforting dish that not only tastes great but also creates cherished memories around the dinner table. Bon appétit!


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