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Hearty Tuna and Potato Gratin with Cheesy Golden Crust

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Absolutely! Here’s a warm and inviting article for your Hearty Tuna and Potato Gratin with Cheesy Golden Crust recipe—perfect for a cozy meal, family dinner, or comfort food feature:


Hearty Tuna and Potato Gratin with Cheesy Golden Crust

When the craving for something warm, comforting, and filling strikes, Hearty Tuna and Potato Gratin with Cheesy Golden Crust is the answer. This dish combines the heartiness of tender potatoes, the richness of flaky tuna, and the indulgence of a cheesy, golden crust that’s simply irresistible. With every bite, you’ll get layers of flavor and texture that make this gratin a family favorite and a perfect comfort meal for any day of the week.

Whether you’re feeding a crowd or preparing a delicious weeknight dinner, this gratin is sure to satisfy. It’s easy to prepare, packed with protein, and perfect for when you need a dish that feels both hearty and wholesome.


🥔 Why You’ll Love This Recipe

  • Perfect balance of flavors – creamy potatoes, savory tuna, and rich cheese
  • Hearty and filling – ideal for family dinners or meal prepping
  • Cheesy, golden crust – the irresistible topping everyone will crave
  • Quick and easy – prep in under 30 minutes, then bake for a delicious, comforting dish
  • Versatile – swap in different vegetables or even protein for variations
  • Meal-friendly – great for dinner, lunch, or even leftovers

🛒 Ingredients

For the gratin:

  • 4 medium potatoes, peeled and thinly sliced
  • 1 can (5 oz) tuna in oil, drained and flaked
  • 1 small onion, finely chopped
  • 1 cup frozen peas (or any vegetable of choice)
  • 2 cups heavy cream (or half-and-half for a lighter version)
  • 1 ½ cups grated cheddar cheese
  • 1 teaspoon garlic powder
  • 1 teaspoon dried thyme
  • Salt and pepper to taste

For the cheesy crust:

  • ½ cup grated parmesan cheese
  • 1 tablespoon butter, melted
  • ½ cup panko breadcrumbs (for extra crunch)

👩‍🍳 Instructions

1. Preheat the oven and prepare the dish:

Preheat your oven to 375°F (190°C). Grease a 9×9-inch baking dish or a similar-sized casserole dish with butter or cooking spray.

2. Layer the potatoes:

In the prepared dish, begin by arranging a layer of sliced potatoes at the bottom. You want the slices to slightly overlap, creating a solid base for the gratin.

3. Add the tuna and vegetables:

Top the potatoes with a layer of flaked tuna, followed by the chopped onion and peas (or any other vegetable you like). Season with a pinch of salt, pepper, and a sprinkle of thyme.

4. Make the creamy sauce:

In a saucepan, heat the heavy cream over medium heat. Stir in garlic powder, salt, pepper, and half of the grated cheddar cheese. Stir constantly until the cheese is fully melted and the cream mixture is smooth and well combined.

5. Assemble the gratin:

Pour the creamy cheese sauce evenly over the layers in the baking dish, ensuring the potatoes and tuna are well-coated. Top the dish with the remaining grated cheddar cheese, spreading it out evenly.

6. Prepare the cheesy crust:

In a small bowl, mix the parmesan cheese, melted butter, and panko breadcrumbs. Sprinkle this mixture evenly over the top of the gratin. The breadcrumbs will toast up nicely, giving you a crispy, golden crust.

7. Bake the gratin:

Place the gratin in the preheated oven and bake for 40–45 minutes, or until the potatoes are tender, the cheese is bubbly, and the crust is golden brown. You can check for doneness by piercing the potatoes with a fork—they should be soft.