Golden Cheese Steak Tortellini Casserole

I’m thrilled to share my Golden Cheese Steak Tortellini Casserole with you—a dinner upgrade that’s anything but ordinary. Juicy steak slices nestle among cheesy tortellini and caramelized peppers and onions, all blanketed in a velvety provolone cream sauce that bakes to a golden, bubbling finish. Whether you need a cozy weeknight meal or a crowd-pleasing centerpiece, this casserole delivers rich, savory comfort in every cheesy pull. Let’s dive in and make dinner unforgettable!

Key Ingredients

To build these layers of flavor and gooey goodness, gather the following key ingredients:

• 4 tbsp unsalted butter, divided: Adds richness and helps sear the steak and thicken the creamy sauce.
• 2 tbsp olive oil: Provides a flavorful base for searing and sautéing.
• 1 lb beef sirloin or ribeye, thinly sliced (cheesesteak style): The star protein that stays tender and juicy.
• Salt and freshly ground black pepper, to taste: Essentials for seasoning steak, veggies, and sauce.
• 1 large yellow onion, thinly sliced: Offers sweet, caramelized depth when sautéed.
• 1 green bell pepper, thinly sliced: Brings a crisp, slightly bitter counterpoint to the cheese.
• 1 red bell pepper, thinly sliced: Adds sweetness and vibrant color.
• 8 oz cremini or button mushrooms, sliced: Delivers earthy flavor and meaty texture.
• 3 cloves garlic, minced: Infuses the sauce and vegetables with aromatic warmth.
• 1 tsp Italian seasoning: A blend of herbs that heightens the savory profile.
• 1 tsp smoked paprika: Imparts a subtle smoky depth.
• 1 lb refrigerated cheese tortellini: Pillowy pasta pockets soaked in cheese sauce.
• 3 tbsp all-purpose flour: Thickens the sauce into a smooth, velvety finish.
• 2 cups whole milk, warmed: Ensures a silky, lump-free cream sauce.
• 1 cup low-sodium beef broth: Enhances the sauce with savory, beefy notes.
• 1 tsp Dijon mustard: Adds a tangy kick to balance the richness.
• 1 tsp Worcestershire sauce: Deepens the umami in the cheese sauce.
• 4 oz cream cheese, softened and cubed: Creates a luxuriously creamy base.
• 1 ½ cups shredded provolone cheese, divided: Melts into the sauce and tops the casserole for gooey goodness.
• 1 cup shredded mozzarella cheese: Provides stretchiness and mild creaminess.
• ½ cup grated Parmesan cheese: Offers a nutty, salty finish.
• ¼ cup chopped fresh parsley (plus extra for garnish): Brightens flavors and adds a fresh pop of color.
• Optional: ½ tsp red pepper flakes: Introduces a touch of heat.
• Optional topping: 1 cup crushed garlic croutons or buttered panko: Adds irresistible crunch.

How To Make Golden Cheese Steak Tortellini Casserole

This casserole may look impressive, but it flows in clear steps that ensure every component shines. You’ll start by prepping and preheating the oven, then cook tender tortellini and sear juicy steak slices for authentic cheesesteak flair. Next, onions, peppers, and mushrooms are sautéed until caramelized, and a dreamy provolone cream sauce comes together in the same pan. Finally, everything is combined, topped with extra cheese (and optional crunch!), baked until golden, and rested for perfect slices. Let’s break down each step so you can achieve that cheesy, comforting bake with confidence.

1. Prep and preheat

Preheat the oven to 375°F (190°C) and lightly grease a 9×13-inch baking dish with butter or nonstick spray for easy cleanup. Bring a large pot of salted water to a rolling boil—this ensures your tortellini cooks evenly and doesn’t stick together.

2. Cook the tortellini

Add the refrigerated cheese tortellini to the boiling water and cook 1–2 minutes less than package directions; they’ll finish cooking in the oven. Drain thoroughly, drizzle with a bit of olive oil, toss to coat, and set aside to prevent sticking.

3. Sear the steak

Pat the thinly sliced beef dry with paper towels, then season with salt and pepper. In a large skillet over medium-high heat, warm 1 tbsp olive oil and 1 tbsp butter until shimmering. Add steak in a single layer (work in batches), searing 1–2 minutes per side until browned yet slightly pink. Transfer steak to a plate, tent with foil, and reserve its juices for later.

4. Sauté the vegetables

In the same skillet, add the remaining 1 tbsp olive oil and 1 tbsp butter. Add onion, green and red bell peppers, and mushrooms. Season lightly, then cook over medium heat, stirring, until softened and caramelized (about 7–10 minutes). Stir in garlic, Italian seasoning, and smoked paprika; cook 1–2 minutes until fragrant. Remove veggies to the steak plate.

5. Make the creamy cheese steak sauce

Reduce heat to medium and melt the final 2 tbsp butter in the skillet. Sprinkle in flour and whisk continuously to form a roux, cooking 1–2 minutes to eliminate raw taste. Gradually whisk in warmed milk until silky, then add beef broth and cook 4–6 minutes until slightly thickened. Stir in Dijon mustard and Worcestershire sauce, reduce heat to low, and add cream cheese cubes. Whisk until smooth, then stir in 1 cup provolone, ½ cup mozzarella, and ¼ cup Parmesan until melted and coating the back of a spoon. Adjust seasoning and optional red pepper flakes.

6. Combine casserole ingredients

In a large bowl, toss cooked tortellini, seared steak (with juices), and sautéed veggies. Pour the hot cheese sauce over, add chopped parsley, and gently mix to coat everything evenly without tearing the pasta.

7. Assemble in baking dish

Spread the mixture in the prepared 9×13-inch dish. In a small bowl, combine the remaining ½ cup provolone, ½ cup mozzarella, and ¼ cup Parmesan, and sprinkle over the top. For crunch, scatter crushed garlic croutons or buttered panko evenly.

8. Bake

Bake for 20–25 minutes, until cheese is melted, golden, and bubbling around the edges. For a deeper golden crust, broil on high for 1–2 minutes, watching carefully to prevent burning.

9. Rest and serve

Let the casserole rest 5–10 minutes to set for cleaner portions. Garnish with extra parsley and serve warm, scooping generous portions to capture steak, veggies, tortellini, and plenty of cheesy sauce.

Serving Suggestions

This Golden Cheese Steak Tortellini Casserole stands strong on its own, but these serving ideas will turn your meal into a memorable feast:

• Serve with a crisp mixed green salad tossed in lemon vinaigrette to cut through the richness.
• Pair with garlic bread or oven-warmed baguette slices to soak up every last drop of sauce.
• Offer steamed or roasted broccoli for color contrast and a lightly bitter balance.
• Pour a glass of bold red wine (like Zinfandel or Malbec) to complement the beefy, cheesy goodness.

Tips For Perfect Golden Cheese Steak Tortellini Casserole

Mastering this casserole is all about layering flavors and textures. Start with thinly sliced beef and warm milk for a lump-free sauce. Caramelize your veggies fully and don’t rush the roux—this ensures a smooth, creamy finish. Feel free to customize the cheese blend or spice level. With these friendly pointers, you’ll nail a golden, bubbling bake every time:

• Use very thinly sliced beef (like cheesesteak meat) so it stays tender and cooks quickly.
• Ribeye gives the richest flavor, but sirloin is a great leaner, more affordable option.
• You can swap cheese tortellini with spinach-ricotta tortellini for added color and flavor.
• For a Philly-style twist, use mostly provolone and a bit of white American cheese in the sauce.
• Add sliced banana peppers or jalapeños for a spicy variation.
• This casserole reheats well; add a splash of milk or cream when reheating to restore creaminess.
• Assemble up to a day ahead, refrigerate covered, and bake an extra 10–15 minutes (until hot in the center).

How To Store It

Got leftovers or looking to prep in advance? This casserole keeps its creamy texture and bold flavors beautifully:

• Refrigerate: Store cooled casserole in an airtight container for up to 3 days. Reheat in a 350°F oven, covered, until warmed through.
• Freeze: Portion into freezer-safe containers and freeze for up to 2 months. Thaw overnight in the fridge before reheating.
• Reheat Gently: Add a splash of milk or cream to restore sauciness. Warm in the oven or microwave in short intervals, stirring to maintain creaminess.
• Make-Ahead: Assemble the entire casserole, cover tightly, and keep in the fridge. When ready, let it sit 15 minutes at room temperature, then bake, adding 10–15 extra minutes to ensure it’s hot at the center.

Frequently Asked Questions

Here are answers to common questions about this hearty, cheesy bake:

• How long does it take to prepare and bake this casserole?

From start to finish you’re looking at roughly seventy to eighty minutes. Active prep and cooking—chopping vegetables, boiling tortellini, searing steak, sautéing, making sauce, and assembling—takes about sixty minutes. Baking in a preheated 375°F oven is about twenty to twenty-five minutes, followed by a five to ten-minute rest.

• Can I assemble this casserole ahead of time?

Yes. Prepare everything and combine in your baking dish. Cover tightly and refrigerate overnight. Before baking, let it sit at room temperature for fifteen minutes, then bake for an extra ten to fifteen minutes or until it’s hot and bubbling.

• What ingredient substitutions work well?

Thinly sliced chicken breast or pork loin can replace beef. Swap cheese tortellini with spinach-ricotta tortellini or cheese ravioli. Use half-and-half instead of whole milk for a richer sauce, or try almond milk plus a cornstarch slurry for dairy-free. Provolone can be replaced with Monterey Jack or white American for a different twist.

• How do I reheat leftovers so they stay creamy?

Stir a splash of milk or cream into the casserole before reheating. In the oven, cover with foil and bake at 350°F for about fifteen minutes, removing foil in the last five to re-melt the topping. In the microwave, heat in short intervals, stirring between each to redistribute the sauce.

• How can I add more heat to this dish?

Stir in about a half-teaspoon of red pepper flakes when making the sauce. Layer sliced jalapeños or banana peppers with the veggies. For extra kick, use pepper jack cheese in place of mozzarella or sprinkle smoked paprika on top just before baking.

• What if I don’t have a nine by thirteen-inch baking dish?

An eight by eleven or ten by fourteen-inch dish works fine. A deeper dish may need a few extra minutes of baking, while a shallower one may cook slightly faster. Watch for bubbling cheese and a golden top to know it’s done.

What Makes This Special

This Golden Cheese Steak Tortellini Casserole is the ultimate comfort mash-up of Philly cheesesteak and cheesy pasta bake—no wonder it wins hearts (and appetites). Each layer brings something delicious: tender steak, sweet caramelized veggies, pillowy tortellini, and that dreamy provolone cream sauce that browns to bubbly perfection. It’s playful and indulgent, yet totally doable on a weeknight. Go ahead, print this recipe, save it for dinner emergencies, and drop a comment if you give it a whirl or have questions—I can’t wait to hear how your golden bake turns out!

Print Recipe

Golden Cheese Steak Tortellini Casserole

Author: Jason Brooks Courses: Dinner

Difficulty: Intermediate Prep Time 25 mins Cook Time 60 mins Rest Time 7 mins Total Time 1 hr 32 mins

Calories: 960

Description

Juicy steak slices nestle among cheesy tortellini and caramelized peppers and onions, all blanketed in a velvety provolone cream sauce. After a golden bake, each forkful delivers rich, savory comfort with a satisfying cheesy pull.

Ingredients

Scale

1/2x 1x 2x 3x

• 4 tbsp unsalted butter, divided

• 2 tbsp olive oil

• 1 lb beef sirloin or ribeye, thinly sliced (cheesesteak style)

• Salt and freshly ground black pepper, to taste

• 1 large yellow onion, thinly sliced

• 1 green bell pepper, thinly sliced

• 1 red bell pepper, thinly sliced

• 8 oz cremini or button mushrooms, sliced

• 3 cloves garlic, minced

• 1 tsp Italian seasoning

• 1 tsp smoked paprika

• 1 lb refrigerated cheese tortellini

• 3 tbsp all-purpose flour

• 2 cups whole milk, warmed

• 1 cup low-sodium beef broth

• 1 tsp Dijon mustard

• 1 tsp Worcestershire sauce

• 4 oz cream cheese, softened and cubed

• 1 ½ cups shredded provolone cheese, divided

• 1 cup shredded mozzarella cheese

• ½ cup grated Parmesan cheese

• ¼ cup chopped fresh parsley (plus extra for garnish)

• Optional: ½ tsp red pepper flakes for a little heat

• Optional topping: 1 cup crushed garlic croutons or buttered panko for extra crunch

Instructions

1. Prep and preheat:
2. - Preheat the oven to 375°F (190°C).
3. - Lightly grease a 9x13-inch baking dish with butter or nonstick spray.
4. - Bring a large pot of salted water to a boil for the tortellini.
5. Cook the tortellini:
6. - Add the cheese tortellini to the boiling water and cook 1–2 minutes less than package directions (they will finish in the oven).
7. - Drain well, toss with a drizzle of olive oil to prevent sticking, and set aside.
8. Sear the steak:
9. - Pat the sliced beef dry with paper towels.
10. - Season lightly with salt and pepper.
11. - Heat 1 tbsp olive oil and 1 tbsp butter in a large skillet over medium-high heat.
12. - When hot and shimmering, add the steak in a single layer (work in batches if needed so you don’t crowd the pan).
13. - Sear 1–2 minutes per side until browned but still slightly pink inside; do not overcook.
14. - Transfer steak to a plate, cover loosely with foil, and set aside (it will finish in the oven).
15. Sauté the vegetables:
16. - In the same skillet, add the remaining 1 tbsp olive oil and 1 tbsp butter.
17. - Add the sliced onion, bell peppers, and mushrooms.
18. - Season with a pinch of salt and pepper.
19. - Cook over medium heat, stirring often, for 7–10 minutes until softened and lightly caramelized.
20. - Stir in the garlic, Italian seasoning, and smoked paprika.
21. - Cook 1–2 minutes more until fragrant.
22. - Remove the vegetable mixture to the plate with the steak (keep the skillet for the sauce).
23. Make the creamy cheese steak sauce:
24. - In the same skillet, reduce heat to medium and add the remaining 2 tbsp butter.
25. - Once melted, sprinkle in the flour and whisk constantly to form a smooth paste (roux), cooking 1–2 minutes to remove raw flour taste.
26. - Slowly whisk in the warmed milk, a little at a time, whisking until smooth before adding more.
27. - Add the beef broth, whisking until the sauce is lump-free and slightly thickened, 4–6 minutes.
28. - Stir in the Dijon mustard and Worcestershire sauce.
29. - Reduce heat to low and add the cream cheese cubes.
30. - Whisk or stir until the cream cheese is fully melted and the sauce is silky.
31. - Stir in 1 cup shredded provolone, ½ cup shredded mozzarella, and ¼ cup Parmesan.
32. - Stir until completely melted and smooth; the sauce should be thick, creamy, and coat the back of a spoon.
33. - Taste and adjust seasoning with salt, pepper, and optional red pepper flakes.
34. Combine casserole ingredients:
35. - In a large bowl, add the cooked tortellini, seared steak (and any juices), and sautéed onions, peppers, and mushrooms.
36. - Pour the hot cheese sauce over everything.
37. - Add chopped parsley and gently toss to combine, being careful to not tear the tortellini.
38. Assemble in baking dish:
39. - Transfer the mixture to the prepared 9x13-inch baking dish, spreading it out evenly.
40. - In a small bowl, combine remaining ½ cup provolone, ½ cup mozzarella, and ¼ cup Parmesan.
41. - Sprinkle the cheese mixture evenly over the top.
42. - If using, top with a layer of crushed garlic croutons or buttered panko for crunch.
43. Bake:
44. - Place the casserole in the preheated oven.
45. - Bake for 20–25 minutes, until the cheese is melted, golden, and bubbling around the edges.
46. - If you want a deeper golden top, broil on high for 1–2 minutes at the end, watching closely so it doesn’t burn.
47. Rest and serve:
48. - Remove from the oven and let the casserole rest for 5–10 minutes to set slightly; this makes serving cleaner slices.
49. - Garnish with additional chopped parsley.
50. - Serve warm, scooping generous portions to get steak, veggies, tortellini, and plenty of cheesy sauce in each serving.

Note

• Use very thinly sliced beef (like cheesesteak meat) so it stays tender and cooks quickly.
• Ribeye gives the richest flavor, but sirloin is a great leaner, more affordable option.
• You can swap cheese tortellini with spinach-ricotta tortellini for added color and flavor.
• For a Philly-style twist, use mostly provolone and a bit of white American cheese in the sauce.
• Add sliced banana peppers or jalapenos for a spicy variation.
• This casserole reheats well; add a splash of milk or cream when reheating to restore creaminess.
• Assemble up to a day ahead, refrigerate covered, and bake an extra 10–15 minutes (until hot in the center).

Keywords: tortellini casserole, cheesesteak casserole, creamy pasta bake, beef tortellini bake, dinner casserole, cheesy dinner bake