Tuna and Spinach Alfredo Casserole

🕒 Prep: 15 min
🔥 Cook: 30 min
🍽 Serves: 6
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Tuna and Spinach Alfredo Casserole is a comforting, easy-to-make dish that combines the creamy richness of Alfredo sauce with the health benefits of spinach and the protein punch of tuna. It's perfect for a cozy family dinner or a quick weeknight meal.

Ingredients for Tuna and Spinach Alfredo Casserole

Let’s break down what makes this dish special. The combination of canned tuna provides a lean source of protein, while spinach adds a boost of vitamins and minerals. The Alfredo sauce is the creamy backbone of this casserole, binding all the flavors together. We’re using fusilli pasta because its spiral shape holds the sauce beautifully. Shredded mozzarella cheese gives that melty, gooey top layer, complemented by the nutty flavor of grated Parmesan cheese. The breadcrumbs add a delightful crunch on top. A touch of olive oil and butter helps sauté the spinach, while garlic powder, black pepper, and salt enhance the overall taste.

Tips & Tricks

  • If using frozen spinach, make sure to thaw and drain it well to avoid excess water in the casserole.
  • For added flavor, try mixing in some red pepper flakes or a dash of nutmeg.
  • If you prefer a lighter version, use a low-fat Alfredo sauce or whole wheat pasta.

Serving Suggestions

This casserole pairs perfectly with a simple green salad dressed in lemon vinaigrette, adding freshness to the meal. A side of roasted vegetables, like asparagus or Brussels sprouts, would complement the dish beautifully. For something a bit heartier, serve with a slice of crusty garlic bread to soak up any leftover sauce.

Frequently Asked Questions

Can I use fresh tuna instead of canned?
Yes, you can use cooked fresh tuna; just make sure it's flaked before adding it to the casserole.
Is there a substitute for Alfredo sauce?
You can make a homemade white sauce using butter, flour, milk, and cheese if you prefer.
How do I store leftovers?
Store any leftovers in an airtight container in the fridge for up to 3 days. Reheat in the oven or microwave before serving.

Tuna and Spinach Alfredo Casserole Recipe Walkthrough

Start by preheating your oven to 350°F. While that's warming up, cook the fusilli pasta according to the package instructions. Once it's al dente, drain and set it aside. Next, grab your trusty skillet and heat up the olive oil and butter over medium heat. Toss in the spinach and sauté until it's beautifully wilted. This should only take a few minutes.

With your spinach ready, stir in the Alfredo sauce, garlic powder, salt, and pepper. Let those flavors meld together for a minute or two before adding in the drained tuna. Make sure you break up the tuna and combine everything well. Now, in a large mixing bowl, combine the cooked pasta with the tuna-spinach mixture. Give it a good toss to ensure the sauce evenly coats the pasta.

Transfer everything into a greased casserole dish. This is where the magic happens. Sprinkle the shredded mozzarella and grated Parmesan cheese on top, followed by an even layer of breadcrumbs. Pop the dish into the oven and let it bake for 25-30 minutes. You’re looking for a bubbly, golden-brown top that’s irresistible. Once done, let it cool for about 5 minutes before serving.

Why You'll Love This Recipe

  • Quick and easy to prepare, perfect for busy weeknights.
  • Loaded with protein and nutrients, making it a wholesome meal.
  • Rich, creamy, and satisfying without being overly heavy.
  • Flexible ingredients that can adapt to your pantry or dietary needs.

Ingredients

12 oz canned tuna, drained
3 cups spinach, fresh or frozen
2 cups Alfredo sauce
8 oz fusilli pasta
1 cup mozzarella cheese, shredded
1/2 cup Parmesan cheese, grated
1 cup breadcrumbs
1 tablespoon olive oil
1 tablespoon butter
1 teaspoon garlic powder
1/2 teaspoon black pepper
1 teaspoon salt

Step-by-step Instructions

1. Preheat oven to 350°F.
2. Cook pasta according to package instructions and set aside.
3. In a skillet, heat olive oil and butter over medium heat.
4. Add spinach; sauté until wilted.
5. Mix in Alfredo sauce, garlic powder, salt, and pepper.
6. Stir in tuna until well combined.
7. Combine cooked pasta with tuna mixture in a large bowl.
8. Transfer to a greased casserole dish.
9. Top with mozzarella and Parmesan cheese.
10. Sprinkle breadcrumbs evenly over the top.
11. Bake for 25-30 minutes until cheese is bubbly and golden.
12. Let cool for 5 minutes before serving.

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