Description

This Blackened Steak & Shrimp Alfredo is a creamy, Cajun-inspired surf-and-turf pasta dish featuring penne tossed in a rich Alfredo sauce, topped with seared, blackened shrimp and steak. It’s bold, hearty, and easy to make in under an hour.

Ingredients

8 oz penne pasta

1 lb large shrimp, peeled, deveined, tails removed

1 tsp blackened seasoning (for shrimp)

1 tbsp vegetable oil

1 lb top sirloin steak, cut into 1‑inch cubes

1 tsp blackened seasoning (for steak)

¼ cup (½ stick) unsalted butter

1 small yellow onion, diced

2 tsp minced garlic

2 cups heavy whipping cream

2 cups freshly grated parmesan cheese

1 tbsp blackened seasoning (for sauce)

½ tsp kosher salt

½ tsp black pepper

Fresh parsley, chopped (for garnish)

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Instructions

Bring a large pot of salted water to a boil and cook the penne pasta until al dente, about 10–12 minutes. Reserve 1 cup of pasta water before draining and set the pasta aside.
Pat the shrimp dry and season with blackened seasoning. Heat vegetable oil in a skillet over medium heat, add shrimp in a single layer, and sear for 1–2 minutes per side until opaque and slightly crusted. Transfer to a plate and cover with foil to keep warm.
Season the steak cubes with blackened seasoning. Increase skillet heat to high, melt butter until foaming, then add steak and sear for 1–2 minutes per side until crust forms. Transfer to plate with shrimp.
Reduce heat to medium, add diced onion to the skillet, and cook for 3–5 minutes until soft. Stir in garlic and cook for 30–60 seconds until fragrant.
Pour in heavy cream and ¼ to ½ cup reserved pasta water. Add parmesan cheese, blackened seasoning, salt, and pepper. Stir gently until cheese melts and sauce thickens, about 2–3 minutes.
Add cooked penne to the sauce and toss to coat. Adjust consistency with more pasta water if needed.
Top with seared shrimp and steak, garnish with fresh parsley, and serve immediately.

Notes

Swap penne for fettuccine or rigatoni for variety.

Use half-and-half instead of heavy cream for a lighter version.

Add cayenne pepper to increase heat.

Mix in sautéed bell peppers or mushrooms for extra texture.

Stir in cream cheese with parmesan for added richness.

Prep Time: 20 minutes
Cook Time: 15 minutes
Category: Dinner
Method: Stovetop
Cuisine: American

Nutrition

Serving Size: 1 serving
Calories: 1100
Sugar: 3g
Sodium: 820mg
Fat: 75g
Saturated Fat: 38g
Unsaturated Fat: 32g
Trans Fat: 0.5g
Carbohydrates: 55g
Fiber: 2g
Protein: 55g
Cholesterol: 310mg