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Dinner / Tuna Broccoli Alfredo Casserole: A Delicious and Easy Recipe for Family Dinners

Tuna Broccoli Alfredo Casserole: A Delicious and Easy Recipe for Family Dinners

April 13, 2025 by JannaDinner

Tuna Broccoli Alfredo Casserole is a delightful dish that brings together the comforting flavors of creamy Alfredo sauce, tender broccoli, and savory tuna in a harmonious blend. This recipe has its roots in classic American cuisine, where casseroles have long been a staple for busy families seeking a quick yet satisfying meal. I love how this dish not only offers a burst of flavor but also provides a nutritious balance with the addition of broccoli, making it a favorite among both kids and adults alike.

People adore Tuna Broccoli Alfredo Casserole for its creamy texture and the way it effortlessly combines ingredients that are often found in the pantry. It’s a convenient option for weeknight dinners, as it can be prepared in advance and baked to perfection when you’re ready to eat. The combination of tender pasta, rich Alfredo sauce, and the subtle taste of tuna creates a comforting meal that warms the heart and satisfies the appetite. Join me as we dive into this delicious recipe that is sure to become a family favorite!

Tuna Broccoli Alfredo Casserole this Recipe

Ingredients:

  • 2 cups uncooked pasta (penne or rotini work well)
  • 1 can (12 oz) tuna, drained and flaked
  • 2 cups fresh broccoli florets (or frozen, thawed)
  • 1 cup heavy cream
  • 1 cup shredded mozzarella cheese
  • 1/2 cup grated Parmesan cheese
  • 2 tablespoons olive oil
  • 3 cloves garlic, minced
  • 1 teaspoon onion powder
  • 1 teaspoon garlic powder
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon salt (or to taste)
  • 1/4 teaspoon red pepper flakes (optional, for a bit of heat)
  • 1/2 cup breadcrumbs (for topping)
  • Fresh parsley, chopped (for garnish)

Preparing the Pasta and Broccoli

  1. Start by bringing a large pot of salted water to a boil. Once boiling, add the uncooked pasta and cook according to the package instructions until al dente. This usually takes about 8-10 minutes.
  2. In the last 3 minutes of cooking the pasta, add the broccoli florets to the pot. This will blanch the broccoli, keeping it vibrant and slightly crunchy. Once the pasta and broccoli are done, drain them in a colander and set aside.

Making the Alfredo Sauce

  1. In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sauté for about 1-2 minutes until fragrant, being careful not to burn it.
  2. Pour in the heavy cream and stir well to combine with the garlic. Allow the cream to simmer gently for about 3-4 minutes, stirring occasionally. This will help thicken the sauce slightly.
  3. Next, add the shredded mozzarella cheese and grated Parmesan cheese to the skillet. Stir continuously until the cheeses melt and the sauce becomes creamy. This should take about 3-5 minutes.
  4. Season the sauce with onion powder, garlic powder, black pepper, salt, and red pepper flakes (if using). Taste and adjust the seasoning as needed. If you prefer a creamier sauce, you can add a bit more heavy cream at this stage.

Combining Ingredients

  1. In a large mixing bowl, combine the drained tuna, cooked pasta, and blanched broccoli. Gently fold in the creamy Alfredo sauce until everything is well coated. Be careful not to break up the tuna too much; you want to keep some nice chunks for texture.
  2. Preheat your oven to 350°F (175°C). While the oven is heating, prepare a 9×13 inch baking dish by lightly greasing it with cooking spray or a bit of olive oil.
  3. Transfer the tuna, pasta, and broccoli mixture into the prepared baking dish, spreading it out evenly.

Adding the Topping

  1. In a small bowl, combine the breadcrumbs with a tablespoon of olive oil. This will help the breadcrumbs crisp up nicely in the oven. Mix until the breadcrumbs are evenly coated.
  2. Sprinkle the breadcrumb mixture evenly over the top of the casserole. This will create a delicious crunchy topping that contrasts beautifully with the creamy filling.

Baking the Casserole

  1. Place the baking dish in the preheated oven and bake for 25-30 minutes, or until the top is golden brown and the casserole is bubbling around the edges.
  2. Once done, remove the casserole from the oven and let it sit for about 5-10 minutes before serving. This resting time allows the casserole to set a bit, making it easier to serve.

Serving Suggestions

  1. When ready to serve, garnish the casserole with freshly chopped parsley for a pop of color and freshness. This adds a nice touch and enhances the overall presentation.
  2. Pair the Tuna Broccoli Alfredo Casserole with a simple side salad or some crusty bread to soak up any extra sauce. A light vinaigrette salad complements the richness of the Tuna Broccoli Alfredo Casserole

    Conclusion:

    In wrapping up this delightful Tuna Broccoli Alfredo Casserole recipe, I can’t stress enough why it’s a must-try for your next family dinner or potluck gathering. This dish combines the creamy richness of Alfredo sauce with the nutritious crunch of broccoli and the savory goodness of tuna, creating a comforting meal that’s both satisfying and easy to prepare. It’s a fantastic way to sneak in some veggies while still pleasing even the pickiest of eaters! For serving suggestions, consider pairing this casserole with a fresh garden salad or some crusty garlic bread to round out the meal. If you’re feeling adventurous, you can easily customize the recipe by adding your favorite ingredients—think sautéed mushrooms, bell peppers, or even a sprinkle of cheese on top for an extra cheesy finish. The possibilities are endless! I wholeheartedly encourage you to give this Tuna Broccoli Alfredo Casserole a try. I promise you won’t be disappointed! Once you’ve made it, I’d love to hear about your experience. Did you add any special twists? How did your family enjoy it? Share your thoughts and variations in the comments below, and let’s inspire each other in the kitchen! Happy cooking! Print
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    Tuna Broccoli Alfredo Casserole: A Delicious and Easy Recipe for Family Dinners


    • Author: Maria
    • Total Time: 45 minutes
    • Yield: 6 servings 1x
    Print Recipe
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    Description

    This Tuna Broccoli Alfredo Casserole features tender pasta, flaky tuna, and vibrant broccoli, all coated in a creamy Alfredo sauce and topped with crispy breadcrumbs. It’s a comforting dish perfect for family dinners or cozy nights in.


    Ingredients

    Scale
    • 2 cups uncooked pasta (penne or rotini)
    • 1 can (12 oz) tuna, drained and flaked
    • 2 cups fresh broccoli florets (or frozen, thawed)
    • 1 cup heavy cream
    • 1 cup shredded mozzarella cheese
    • 1/2 cup grated Parmesan cheese
    • 2 tablespoons olive oil
    • 3 cloves garlic, minced
    • 1 teaspoon onion powder
    • 1 teaspoon garlic powder
    • 1/2 teaspoon black pepper
    • 1/2 teaspoon salt (or to taste)
    • 1/4 teaspoon red pepper flakes (optional)
    • 1/2 cup breadcrumbs (for topping)
    • Fresh parsley, chopped (for garnish)

    Instructions

    1. Start by bringing a large pot of salted water to a boil. Once boiling, add the uncooked pasta and cook according to the package instructions until al dente (about 8-10 minutes).
    2. In the last 3 minutes of cooking the pasta, add the broccoli florets to the pot. Drain the pasta and broccoli in a colander and set aside.
    3. In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sauté for about 1-2 minutes until fragrant.
    4. Pour in the heavy cream and stir well. Allow the cream to simmer gently for about 3-4 minutes, stirring occasionally.
    5. Add the shredded mozzarella and grated Parmesan cheese to the skillet. Stir continuously until the cheeses melt and the sauce becomes creamy (about 3-5 minutes).
    6. Season the sauce with onion powder, garlic powder, black pepper, salt, and red pepper flakes (if using). Adjust seasoning to taste.
    7. In a large mixing bowl, combine the drained tuna, cooked pasta, and blanched broccoli. Gently fold in the creamy Alfredo sauce until well coated.
    8. Preheat your oven to 350°F (175°C) and lightly grease a 9×13 inch baking dish with cooking spray or olive oil.
    9. Transfer the tuna, pasta, and broccoli mixture into the prepared baking dish, spreading it out evenly.
    10. In a small bowl, combine the breadcrumbs with a tablespoon of olive oil, mixing until evenly coated.
    11. Sprinkle the breadcrumb mixture evenly over the top of the casserole.
    12. Place the baking dish in the preheated oven and bake for 25-30 minutes, or until the top is golden brown and the casserole is bubbling.
    13. Remove from the oven and let it sit for 5-10 minutes before serving.
    14. Garnish with freshly chopped parsley before serving.
    15. Pair with a simple side salad or crusty bread to soak up any extra sauce.

    Notes

    • Feel free to substitute the pasta with your favorite type or use whole grain for a healthier option.
    • You can add other vegetables like peas or bell peppers for extra flavor and nutrition.
    • This casserole can be made ahead of time and stored in the refrigerator before baking.
    • Prep Time: 15 minutes
    • Cook Time: 30 minutes

    Did you make this recipe?

    Share a photo and tag us — we can’t wait to see what you’ve made!

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