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Blackened Steak and Shrimp Alfredo in a skillet from overhead.
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5 from 35 votes

Blackened Steak and Shrimp Alfredo

Blackened Steak and Shrimp Alfredo is a rich and flavorful dish that combines blackened seasoned shrimp and top sirloin with a creamy alfredo sauce. It's like a surf and turf over a bed of creamy pasta! It's just so good!
Prep Time20 minutes
Cook Time15 minutes
Total Time35 minutes
Course: Dinner
Keyword: Blackened Steak and Shrimp Alfredo, blackened surf and turf, cajun steak and shrimp pasta, cajun surf and turf
Servings: 4 people
Calories: 1100kcal
Author: Amanda Rettke--iamhomesteader.com

Ingredients

Pasta

  • 8 ounces penne pasta

Shrimp

  • 1 pound large shrimp, raw, deveined, tail removed
  • 1 teaspoon blackened seasoning
  • 1 tablespoon vegetable oil

Steak

  • 1 pound top sirloin steak, cut into 1-inch cubes
  • 1 teaspoon blackened seasoning
  • ¼ cup (½ stick / 57 g) unsalted butter

Sauce

  • 1 small yellow onion, diced (about ½ cup)
  • 2 teaspoons garlic, minced
  • 2 cups (476 g) heavy whipping cream
  • 2 cups (200 g) parmesan cheese, freshly grated
  • 1 tablespoon blackened seasoning
  • ½ teaspoon kosher salt
  • ½ teaspoon black pepper
  • parsley, chopped for garnish

Instructions

Pasta

  • Bring a large pot of salted water to a boil over medium-high heat. Add penne and cook al dente according to package directions.
  • Reserve 1 cup of pasta water; drain the rest. Set aside.

Shrimp

  • Season shrimp evenly with blackened seasoning.
  • To a large, 13-inch skillet over medium heat, add oil. Once hot, add shrimp. Cook for 1-2 minutes per side. Transfer to a plate and tent to keep warm.

Steak

  • Season steak evenly with blackened seasoning.
  • Increase heat to high. Add butter to the skillet and allow it to start to melt. Place steak in the skillet. Cook for 1-2 minutes per side, or until browned outside and pink inside. Transfer to the plate with shrimp and tent to keep warm.

Sauce

  • Reduce heat to medium. Add onions. Cook until softened (3-5 minutes).
  • Add garlic and cook for 1 minute.
  • Add heavy cream, ¼ to ½ cup of pasta water, parmesan cheese, blackened seasoning, salt, and pepper. Stir until the cheese melts and the sauce thickens slightly.
  • Add noodles to the skillet and toss to coat. Add more pasta water as needed to reach the desired consistency.
  • Top the pasta with the cooked shrimp and steak.
  • Garnish with parsley. Serve immediately.

Video

Nutrition

Serving: 1portion | Calories: 1100kcal