Creamy Cajun Parmesan Steak Penne
There’s something about a bowl of pasta swimming in a spicy, cheesy sauce with tender bites of steak that just fixes everything. This is one of those dinners I make when I want something that feels like a treat but doesn’t actually take all night to pull together. It’s rich, a little spicy, deeply savory, and honestly? It tastes like something you’d order at a restaurant and then wonder why you don’t make at home more often.
Why You’ll Love This Recipe

First off, the flavor is incredible. That Cajun seasoning against the sweet cream and salty Parmesan creates this sauce that’s got real personality, not just heat for the sake of heat. It clings to every piece of penne and coats the steak in the best way.
It also comes together fast. We’re talking a weeknight-friendly meal here, even though it tastes like you put in way more effort than you actually did. And it’s one of those dishes that reheats beautifully, so leftovers are never sad.
Lastly, it’s flexible. You can dial the spice up or down, swap the protein, or use whatever pasta shape is sitting in your pantry. It’s forgiving, which is exactly what a good weeknight recipe should be.
Ingredients You’ll Need

The star here is the steak. I like using a sirloin or ribeye because they stay tender and juicy when seared hot and fast. Cut it into bite-sized strips or cubes so every forkful gets a piece.
Cajun seasoning is doing a lot of heavy lifting in this dish, so use a brand you actually like, or mix your own with paprika, garlic powder, onion powder, cayenne, and dried herbs. Season the steak generously with it before searing so the flavor really builds from the start.
For the sauce, you’ll want heavy cream, chicken broth, garlic, and freshly grated Parmesan. Please grate your own Parmesan if you can. The pre-shredded stuff has anti-caking agents that keep it from melting smoothly, and smooth is exactly what we’re going for here.
Penne is the classic choice because those ridges and that hollow center grab onto the sauce so well, but rigatoni or fusilli would work just as nicely if that’s what you’ve got. A splash of pasta water at the end helps loosen the sauce to the perfect consistency, so don’t skip saving some before you drain.
Tips for the Best Results

Get your pan really hot before you add the steak. You want a good sear, not a gray, steamed piece of meat. A hot pan and a quick cook time keeps everything juicy.
Don’t overcrowd the pan when searing. If your steak pieces are touching each other, they’ll steam instead of sear. Work in batches if you need to.
Tip: save at least a cup of your pasta water before draining. That starchy liquid is what helps the sauce turn silky instead of thick and gluey.
Also, taste as you go. Cajun blends vary a lot in saltiness and heat, so add seasoning gradually and adjust at the end rather than dumping it all in at once.
Storage and Reheating

Leftovers keep well in an airtight container in the fridge for about three to four days. The sauce will thicken up as it chills, which is totally normal.
Note: when reheating, add a splash of milk or broth to loosen the sauce back up, either in a pan over low heat or in the microwave in short bursts, stirring in between. This keeps it creamy instead of clumpy or dried out.
I don’t recommend freezing this one. Cream-based sauces tend to separate once thawed, and you’ll end up with a grainy texture instead of that silky finish you worked for.
Frequently Asked Questions

Can I make this without steak?
Absolutely. Chicken breast or thighs work great, and shrimp is a fantastic swap too if you want something lighter and quicker to cook.
Is this recipe very spicy?
It has a nice kick, but it’s adjustable. Start with less Cajun seasoning and add more to taste, or look for a mild blend if you’re sensitive to heat.
What can I serve alongside it?
A simple green salad or some garlic bread rounds things out nicely. Since the pasta is rich, something light and crisp on the side balances it well.
Can I use half-and-half instead of heavy cream?
You can, but the sauce won’t be quite as thick and luxurious. Heavy cream really is what gives it that restaurant-style richness.
product: A heavy-bottomed stainless steel skillet, since it sears steak evenly and helps build the browned bits that give the sauce its deep flavor.
Creamy Cajun Parmesan Steak Penne

A rich and spicy pasta dish featuring seared steak, penne, and a creamy Cajun Parmesan sauce.
Ingredients
- 1 pound sirloin steak, cut into bite-sized strips
- 2 tablespoons Cajun seasoning, divided
- 12 ounces penne pasta
- 2 tablespoons olive oil
- 3 cloves garlic, minced
- 1 cup heavy cream
- 1 cup chicken broth
- 1 cup freshly grated Parmesan cheese
- 1 cup reserved pasta water
- Salt and pepper to taste
- Fresh parsley, chopped, for garnish
Instructions
- Step 1. Cook penne pasta in salted boiling water according to package directions, then reserve 1 cup pasta water and drain.
- Step 2. Season steak strips generously with 1 tablespoon Cajun seasoning, salt, and pepper.
- Step 3. Heat olive oil in a large skillet over high heat and sear steak in batches until browned, about 2-3 minutes per side, then remove and set aside.
- Step 4. Lower heat to medium and add garlic to the same skillet, cooking for 30 seconds until fragrant.
- Step 5. Pour in chicken broth and scrape up any browned bits from the bottom of the pan.
- Step 6. Add heavy cream and remaining 1 tablespoon Cajun seasoning, stirring to combine.
- Step 7. Simmer sauce for 3-4 minutes until slightly thickened.
- Step 8. Stir in Parmesan cheese until melted and smooth.
- Step 9. Add cooked penne and seared steak back into the skillet, tossing to coat in the sauce.
- Step 10. Add reserved pasta water a little at a time until desired sauce consistency is reached.
- Step 11. Season with additional salt and pepper to taste.
- Step 12. Garnish with fresh parsley and serve immediately.








