About This Recipe
Creamy Steak Cajun Ranch Penne is a hearty pasta dish that combines pan-seared steak, penne pasta, and a sauce made with both Cajun seasoning and ranch-inspired flavors. The sauce achieves its creaminess from heavy cream (or a half-and-half blend) and Parmesan cheese, while Cajun spices bring warmth and mild heat. Ranch notes are incorporated using dry ranch seasoning mix or a blend of buttermilk powder, garlic, onion, and herbs. The dish is finished with fresh parsley and extra cracked black pepper. This recipe is designed as a complete main course — no additional sides required, though a simple green salad or roasted vegetables complement it well.
Why You’ll Love This Recipe
- Rich & creamy comfort: The silky sauce coats every piece of penne and seared steak.
- Bold Cajun kick: Balanced heat from paprika, cayenne, and garlic notes, without being overpowering.
- Hidden ranch depth: The dry ranch mix adds tang, onion, and herbaceous complexity.
- One-pan workflow: Steak cooks first, then the sauce builds in the same skillet.
- Great for meal prep: Tastes even better the next day as flavors meld.
Ingredients
For the Steak
- 1 to 1¼ lb (450–560g) sirloin steak or flank steak, about 1-inch thick
- 1 tsp kosher salt
- ½ tsp freshly ground black pepper
- 1 tsp Cajun seasoning (store-bought or homemade, ensure it contains paprika, garlic powder, onion powder, cayenne, oregano)
- 1 tbsp olive oil, divided
- 1 tbsp unsalted butter
For the Penne & Sauce
- 12 oz (340g) dry penne pasta
- 2 tbsp unsalted butter
- 1 small yellow onion, finely diced (about ¾ cup)
- 4 cloves garlic, minced
- 1 tbsp tomato paste (optional, adds richness)
- 1½ cups (360ml) low-sodium beef broth or chicken broth
- 1 cup (240ml) heavy cream (or use ½ cup heavy cream + ½ cup half-and-half)
- 1 packet (1 oz / 28g) dry ranch seasoning mix (or 2½ tbsp homemade ranch powder)
- 1½ tsp Cajun seasoning (adjust to taste)
- ¾ cup (70g) freshly grated Parmesan cheese, plus more for serving
- ¼ cup (60ml) reserved pasta water (as needed)
- 2 tbsp chopped fresh parsley or chives, for garnish
Homemade ranch powder alternative: 1 tbsp buttermilk powder, 1 tsp dried parsley, ½ tsp dried dill, ½ tsp garlic powder, ½ tsp onion powder, ¼ tsp black pepper, ¼ tsp salt.
Step by Step Instructions
- Prepare the steak: Pat the steak completely dry with paper towels. In a small bowl, combine 1 tsp salt, ½ tsp pepper, and 1 tsp Cajun seasoning. Rub the mixture evenly over all sides of the steak. Let the steak sit at room temperature for 15–20 minutes.
- Cook the penne: Bring a large pot of salted water to a boil. Add penne and cook according to package directions until al dente (usually 10–12 minutes). Reserve 1 cup of pasta water before draining. Drain pasta, toss with a drizzle of olive oil to prevent sticking, and set aside.
- Sear the steak: Heat 1 tbsp olive oil in a large, deep skillet or cast-iron pan over medium-high heat. When oil shimmers, add the steak. Sear without moving for 3–4 minutes until a deep brown crust forms. Flip and add 1 tbsp butter. Sear the second side for 3–4 minutes for medium-rare (internal temp 130–135°F / 55–57°C). Adjust time for desired doneness. Transfer steak to a cutting board and let rest for at least 10 minutes. Do not clean the skillet.
- Sauté aromatics: Reduce skillet heat to medium. Add 2 tbsp butter. Once melted, add diced onion and cook for 3 minutes until translucent. Add minced garlic and cook for 45 seconds until fragrant. Stir in tomato paste (if using) and cook for 1 minute to deepen flavor.
- Build the creamy sauce: Pour in beef broth while scraping up any browned bits from the pan (deglaze). Let the broth simmer for 2 minutes. Reduce heat to low, then pour in heavy cream, whisking continuously. Add the dry ranch seasoning mix and 1½ tsp Cajun seasoning. Whisk until smooth and no lumps remain.
- Thicken & cheese: Simmer gently for 3–4 minutes until sauce slightly thickens. Gradually add grated Parmesan cheese, stirring constantly until melted and fully incorporated. If the sauce feels too thick, add ¼ cup reserved pasta water to reach desired consistency.
- Combine pasta: Add the cooked penne to the skillet with the sauce. Toss well to coat every piece. If needed, add a splash more pasta water to loosen. Simmer for 1 minute to allow pasta to absorb flavors.
- Slice and serve: Thinly slice the rested steak against the grain into bite-sized strips. Divide the creamy penne into bowls or onto a platter. Top with sliced steak, garnish with fresh parsley and extra Parmesan. Serve immediately.
FAQ
Can I use a different pasta shape?
Yes — rigatoni, fettuccine, or cavatappi work well because they hold creamy sauce. Adjust cooking time accordingly.
Is the ranch flavor very strong?
The dry ranch seasoning adds a subtle tangy and herbal background, not an overpowering ranch dressing flavor. It blends with Cajun spices for a savory, balanced taste.
How can I adjust the spice level?
For milder heat, reduce Cajun seasoning to ½ tsp in the sauce and use a lower-heat Cajun blend. For more heat, add an extra pinch of cayenne or a dash of hot sauce at the end.
Can I use chicken instead of steak?
Absolutely — boneless chicken breasts or thighs can be substituted. Season and cook similarly (165°F internal for breasts), then slice.
What if I don’t have heavy cream?
You can use full-fat evaporated milk or a mixture of ¾ cup whole milk + ¼ cup melted butter. The texture will be slightly lighter but still creamy.
You Must Know
- Rest the steak: Never skip resting after searing. Resting allows juices to redistribute; slicing too early causes dry steak. Rest at least 10 minutes.
- Do not overcook the pasta before combining: Cook penne to al dente (firm to the bite) because it continues to cook slightly when mixed with the hot sauce. Overcooked pasta becomes mushy.
- Deglaze thoroughly: The brown bits left after searing the steak (fond) are packed with umami. Scrape them well when adding broth — this is essential for a deep, savory sauce.
- Ranch seasoning contains salt: Most commercial dry ranch mixes include salt and buttermilk powder. Taste the sauce before adding extra salt. If using homemade ranch powder, adjust salt level carefully.
- Slice against the grain: For sirloin or flank steak, always slice perpendicular to the muscle fibers. This shortens the fibers, making every bite tender, not chewy.
Storage Tips
Refrigeration: Store leftovers in an airtight container for up to 3 days. The sauce may thicken upon cooling. Reheat gently on the stovetop over low heat with a splash of milk or broth, stirring occasionally. Avoid high heat to prevent sauce separation.
Freezing: Cream-based sauces can separate when frozen and thawed. For best results, freeze only the steak and pasta without sauce, or freeze the finished dish in a sealed container for up to 1 month. Thaw overnight in the refrigerator and reheat slowly, whisking to re-emulsify. Freshly made sauce yields best texture.
Reheating steak separately: To keep steak slices tender, remove them before reheating the pasta. Warm pasta and sauce on the stove, then add steak slices at the end, just until heated through (30 seconds). Overheating steak makes it tough.
Meal prep tip: Cook pasta and sauce, store separately from sliced steak. Combine and reheat when ready to serve for fresher texture.
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