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Creamy Tuna and Potato Casserole

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    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.

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    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.

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