Cheesy Tuna Potato Casserole

This hearty Tuna Potato Casserole combines tender potatoes, savory tuna, creamy sauce, and melty mozzarella for a comforting and delicious meal. It’s an easy dish that’s perfect for family dinners or potlucks.

Preparation Time: 20 minutes
Cooking Time: 30 minutes
Servings: 4-6

Ingredients

  • 6 medium potatoes, peeled and cut into even pieces
  • 1 teaspoon salt (for boiling potatoes)
  • 1 onion, sliced into thin half-rings
  • 2 cans (5 oz each) tuna in oil, drained and mashed
  • 150 ml (5.3 fl oz) heavy cream (or whipping cream)
  • Zest of 1/2 lemon
  • 2 cloves garlic, minced
  • Salt and black pepper, to taste
  • 200 g (7 oz) mozzarella cheese, shredded
  • Olive oil, for greasing
  • 1 sprig of fresh rosemary (optional)

Directions

  • Boil the Potatoes:
    • Place the peeled and cut potatoes in a pot.
    • Cover with cold water, add 1 teaspoon salt, and bring to a boil.
    • Reduce heat and simmer for 15-20 minutes or until potatoes are fork-tender.
    • Drain and let cool slightly.
  • Prepare the Onion and Tuna:
    • While the potatoes cook, slice the onion into thin half-rings.
    • Drain the oil from the canned tuna and mash it with a fork in a bowl.
  • Assemble the Casserole:
    • Preheat oven to 200°C (390°F).
    • Grease a baking dish with olive oil.
  • Layer the Ingredients:
    • Place half of the sliced potatoes as the base layer in the dish.
    • Add a layer of sliced onions over the potatoes.
    • Spread the mashed tuna evenly over the onions.
    • Sprinkle half of the shredded mozzarella cheese over the tuna.
  • Make the Cream Sauce:
    • In a medium bowl, whisk together heavy cream, lemon zest, and minced garlic.
    • Season with salt and black pepper to taste.
  • Complete the Layers and Bake:
    • Pour the cream sauce evenly over the casserole.
    • Add the remaining sliced potatoes and sprinkle with the rest of the shredded mozzarella cheese.
    • Place a sprig of fresh rosemary on top for added fragrance (optional; remove before serving).
    • Bake in the preheated oven for 25-30 minutes or until the cheese is melted, bubbly, and golden.
  • Serve:
    • Let the casserole cool slightly before serving. Enjoy warm with your favorite side dish or salad.

5 Serving Suggestions

  • Serve with a crisp green salad for a balanced meal.
  • Pair with steamed vegetables like broccoli or green beans.
  • Add a dollop of sour cream or Greek yogurt on top for extra creaminess.
  • Enjoy with crusty bread or garlic toast to soak up the creamy sauce.
  • Garnish with fresh parsley or dill for a pop of color and flavor.

Cooking Tips

  • Ensure the potatoes are evenly sliced to cook uniformly.
  • Mash the tuna thoroughly to distribute it evenly throughout the casserole.
  • Adjust the seasoning in the cream sauce to your preference; herbs like thyme or parsley can be added for extra flavor.
  • For a richer flavor, use a cheese blend like cheddar and Gruyere instead of just mozzarella.
  • If the casserole starts browning too quickly, cover it loosely with foil during baking.

Nutritional Benefits

  • Potatoes: A great source of potassium, vitamin C, and fiber.
  • Tuna: High in lean protein and omega-3 fatty acids.
  • Mozzarella: Provides calcium and protein for bone health.
  • Cream Sauce: Adds richness while keeping the dish comforting and hearty.

Dietary Information

  • High Protein: Thanks to tuna and cheese, this dish is protein-packed.
  • Comfort Food: Creamy, cheesy, and satisfying, perfect for any occasion.
  • Customizable: Use gluten-free breadcrumbs or low-fat cream to suit your dietary needs.

Nutritional Facts (Per Serving, Approximate)

  • Calories: ~350
  • Protein: 18 g
  • Carbohydrates: 30 g
  • Fat: 18 g
  • Fiber: 3 g
  • Sodium: ~500 mg

Storage

  • Refrigeration: Store leftovers in an airtight container in the fridge for up to 3 days.
  • Freezing: Freeze portions in a freezer-safe container for up to 1 month. Thaw in the fridge overnight before reheating.
  • Reheating: Warm in the oven at 180°C (350°F) or microwave until heated through.

Why You’ll Love This Recipe

  • Combines tender potatoes and flavorful tuna for a satisfying meal.
  • Creamy, cheesy layers make it a comfort food classic.
  • Easy to prepare with simple pantry staples.
  • Perfect for family dinners, meal prep, or casual gatherings.

Conclusion

This Cheesy Tuna Potato Casserole is a deliciously satisfying dish that combines creamy potatoes, flavorful tuna, and gooey cheese. Simple to prepare and packed with comforting flavors, it’s sure to become a family favorite. Whether enjoyed fresh out of the oven or reheated for leftovers, this casserole is a warm and hearty addition to your recipe collection.

10 Frequently Asked Questions

  1. Can I use a different type of cheese?
    Yes, Gruyere, Parmesan, or a cheddar-mozzarella blend works well.
  2. Can I substitute the cream?
    You can use half-and-half or evaporated milk for a lighter option.
  3. Can I make this casserole ahead of time?
    Yes, assemble the casserole and refrigerate for up to 24 hours before baking.
  4. What can I serve with this casserole?
    Pair with a green salad, roasted vegetables, or crusty bread.
  5. Can I use sweet potatoes instead of regular potatoes?
    Absolutely! Sweet potatoes add a subtle sweetness and are equally delicious.
  6. How do I prevent the casserole from drying out?
    Ensure the cream sauce evenly coats the layers and avoid overbaking.
  7. Can I make this dish dairy-free?
    Substitute dairy-free cream and cheese for a lactose-free version.
  8. What herbs can I use instead of rosemary?
    Thyme, parsley, or oregano are great alternatives.
  9. Can I use fresh tuna instead of canned?
    Yes, cook fresh tuna beforehand and flake it for layering.
  10. How do I reheat the casserole without drying it out?
    Cover with foil and warm in the oven, or microwave with a splash of cream to keep it moist.