Creamy Tuna and Potato Casserole

This Creamy Tuna and Potato Casserole is a comforting, hearty dish that’s perfect for family dinners or meal prepping. Layers of tender potatoes, flavorful tuna, and melted mozzarella cheese are topped with a rich cream sauce for a dish that’s as delicious as it is satisfying.

Preparation Time: 20 minutes
Cooking Time: 30 minutes
Total Time: 50 minutes

Ingredients

  • Potatoes: 3 large (approximately 800 g), peeled and sliced
  • Salt: 1 teaspoon
  • Onion: 1 medium, sliced into thin half-rings
  • Canned Tuna: 2 small cans (about 180 g each), drained and mashed
  • Mozzarella Cheese: 1 ½ cups (150 g), shredded
  • Olive Oil: For greasing
  • Heavy Cream: 1 cup (240 ml)
  • Lemon Zest: From 1 lemon
  • Garlic: 2 cloves, minced
  • Black Pepper: To taste
  • Optional: A sprig of fresh rosemary for garnish

Directions

  1. Boil the Potatoes:
    • Peel and cut the potatoes into evenly sized pieces.
    • Place them in a pot, cover with cold water, and add the teaspoon of salt.
    • Bring to a boil, then reduce heat and simmer for 15-20 minutes, or until tender.
    • Drain and let cool slightly.
  2. Prepare the Tuna and Onion:
    • Slice the onion into thin half-rings.
    • Drain the oil from the canned tuna and mash it with a fork in a bowl.
  3. Preheat the Oven:
    • Preheat your oven to 200°C (390°F).
    • Grease a baking dish with olive oil.
  4. Assemble the Casserole:
    • Layer half of the sliced potatoes in the baking dish as the base layer.
    • Spread the sliced onions over the potatoes.
    • Evenly distribute the mashed tuna over the onions.
    • Sprinkle half of the shredded mozzarella cheese over the tuna layer.
  5. Prepare the Cream Sauce:
    • In a bowl, whisk together the heavy cream, lemon zest, and minced garlic.
    • Season with salt and black pepper to taste.
  6. Complete the Layers and Bake:
    • Pour the cream sauce evenly over the casserole.
    • Add the remaining sliced potatoes on top and sprinkle with the remaining mozzarella cheese.
    • If desired, place a sprig of rosemary on top for fragrance (remove before serving).
  7. Bake:
    • Bake for 25-30 minutes, or until the cheese is golden and bubbly, and the potatoes are tender.
  8. Serve:
    • Let the casserole cool slightly before slicing and serving.

Serving Suggestions

  • Pair with a crisp green salad for a complete meal.
  • Serve alongside steamed vegetables for added nutrients.
  • Enjoy with crusty bread to soak up the creamy sauce.

Cooking Tips

  • For extra flavor, use Gruyere, Parmesan, or a cheddar-mozzarella blend.
  • Fresh herbs like parsley or dill can be added to the cream sauce for a fragrant touch.
  • Slice the potatoes evenly for consistent cooking.

Nutritional Benefits

  • Potatoes: Rich in potassium and vitamin C.
  • Tuna: A great source of protein and omega-3 fatty acids.
  • Cheese: Provides calcium and a creamy texture.

Dietary Information

  • Suitable for pescatarians.
  • Can be made gluten-free by ensuring all ingredients are certified gluten-free.

Nutritional Facts (Per Serving, approx.):

  • Calories: 380
  • Protein: 20 g
  • Carbohydrates: 30 g
  • Fat: 20 g

Storage

  • Refrigerator: Store leftovers in an airtight container for up to 3 days.
  • Reheating: Warm in the oven or microwave until heated through.
  • Freezer: Freeze individual portions for up to 1 month. Thaw overnight in the fridge before reheating.

Why You’ll Love This Recipe

  • Easy to make and perfect for busy weeknights.
  • Comforting layers of creamy, cheesy goodness.
  • Adaptable with different cheeses and herbs for variety.
  • Great for meal prep, as it stores and reheats beautifully.

Conclusion
This Creamy Tuna and Potato Casserole is a versatile, comforting dish that’s sure to become a family favorite. The rich flavors of tuna and cream pair beautifully with tender potatoes and melted cheese for a satisfying meal. Serve it with a side of greens for a balanced dinner, and enjoy the cozy comfort it brings to your table.

Frequently Asked Questions

  1. Can I use sweet potatoes instead of regular potatoes?
    Yes, sweet potatoes add a slightly sweet flavor and work well in this dish.
  2. Can I substitute the heavy cream?
    Yes, use half-and-half, milk, or a dairy-free alternative like coconut cream.
  3. What other cheeses can I use?
    Gruyere, Parmesan, or a blend of your favorite cheeses work beautifully.
  4. Can I add vegetables?
    Absolutely! Try adding spinach, peas, or roasted red peppers.
  5. Is this dish freezer-friendly?
    Yes, freeze it in portions for up to 1 month. Thaw overnight before reheating.
  6. How do I make this dish dairy-free?
    Use plant-based cream and cheese alternatives.
  7. Can I skip the tuna?
    Yes, replace it with cooked chicken or a plant-based protein for variation.
  8. How do I prevent the casserole from being too runny?
    Ensure the potatoes are well-drained and the cream sauce is not overly thin.
  9. Can I prepare this casserole ahead of time?
    Yes, assemble it the day before, cover, and refrigerate. Bake when ready.
  10. What can I use instead of rosemary for garnish?
    Fresh parsley, thyme, or chives work as great alternatives.