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Beef Tetrazzini Casserole

Beef Tetrazzini Casserole Recipe

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Beef Tetrazzini Casserole is a delicious and creamy pasta dish loaded with tender beef sirloin, mushrooms, and a rich, cheesy sauce. This casserole is perfect for family dinners or gatherings, providing a hearty and comforting meal everyone will enjoy.

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Ingredients for Beef Tetrazzini Casserole

  • 1 pound beef sirloin, thinly sliced
  • 12 ounces egg noodles
  • 2 tablespoons olive oil
  • 1 onion, finely chopped
  • 3 cloves garlic, minced
  • 8 ounces mushrooms, sliced
  • 1 cup beef broth
  • 1 cup heavy cream
  • ½ cup sour cream
  • 1 cup grated Parmesan cheese
  • ½ cup grated mozzarella cheese
  • ¼ cup all-purpose flour
  • 2 tablespoons butter
  • Salt and pepper, to taste
  • 2 tablespoons fresh parsley, chopped (for garnish)

Instructions for Beef Tetrazzini Casserole

1. Cook the Egg Noodles

  • Bring a large pot of salted water to a boil. Add the 12 ounces of egg noodles and cook according to the package directions until al dente. Drain and set aside.

2. Cook the Beef

  • In a large skillet, heat 2 tablespoons of olive oil over medium-high heat. Add the thinly sliced beef sirloin and cook for 4-5 minutes, until browned. Season with salt and pepper to taste. Remove the beef from the skillet and set aside.

3. Sauté the Vegetables

  • In the same skillet, add the 2 tablespoons of butter. Once melted, add the chopped onion, minced garlic, and sliced mushrooms. Cook for about 5-6 minutes, until the onions are soft and the mushrooms are tender.

4. Make the Sauce

  • Sprinkle the ¼ cup all-purpose flour over the sautéed vegetables and stir to combine, cooking for about 1-2 minutes to remove the raw flour taste.
  • Gradually add the 1 cup beef broth and 1 cup heavy cream, stirring constantly to create a smooth sauce. Bring the mixture to a simmer and cook for 3-4 minutes, until it thickens slightly.
  • Stir in the ½ cup sour cream, 1 cup grated Parmesan cheese, and ½ cup grated mozzarella cheese, stirring until the cheese is fully melted and the sauce is creamy. Season with salt and pepper to taste.

5. Combine and Assemble

  • Preheat your oven to 350°F (175°C).
  • In a large bowl, combine the cooked egg noodles, beef, and creamy mushroom sauce. Toss everything together until evenly coated.
  • Transfer the mixture into a greased 9×13-inch baking dish.

6. Bake the Casserole

  • Bake the casserole in the preheated oven for 20-25 minutes, or until bubbly and golden on top.

7. Garnish and Serve

  • Once the casserole is baked, remove it from the oven and sprinkle with freshly chopped parsley for garnish.
  • Serve hot and enjoy!

Cook’s Notes and Tips

  • Beef Option: You can substitute the sirloin with ground beef, ribeye, or leftover roast beef.
  • Cheese: For a richer flavor, you can add extra mozzarella or even cheddar to the top of the casserole before baking.
  • Make it Ahead: This casserole can be assembled ahead of time and stored in the refrigerator for up to 24 hoursbefore baking.

Variations for Beef Tetrazzini Casserole

1. Spicy Beef Tetrazzini

  • Add a pinch of red pepper flakes or cayenne pepper to the sauce for a bit of heat.

2. Chicken Tetrazzini

  • Replace the beef with cooked and shredded chicken breast for a classic chicken tetrazzini version.

3. Vegetarian Tetrazzini

  • Omit the beef and add extra vegetables like spinach, zucchini, or bell peppers for a hearty vegetarian dish.

Frequently Asked Questions (FAQs)

1. Can I freeze this casserole?

Yes! You can freeze this casserole before baking. Wrap it tightly with plastic wrap and aluminum foil, and freeze for up to 3 months. When ready to bake, thaw in the refrigerator overnight and bake as directed.

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2. How do I store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in the oven or microwave.

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3. Can I use a different pasta?

Yes, you can substitute the egg noodles with spaghetti, fettuccine, or any pasta of your choice.

A Creamy, Hearty Casserole

This Beef Tetrazzini Casserole is a deliciously comforting dish that combines tender beef, creamy sauce, and cheesy goodness. It’s perfect for family dinners, meal prep, or potlucks. Enjoy this casserole with a side of salad or garlic bread for a complete meal!