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Creamy Cajun Shrimp Pasta Recipe

Cajun Shrimp Pasta features succulent shrimp and penne pasta in a creamy, spicy sauce that makes for a quick and satisfying dinner with just the right amount of heat.
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Course: Main Course
Cuisine: Cajun
Keyword: Creamy Cajun Shrimp Pasta Recipe
Prep Time: 5 minutes
Cook Time: 10 minutes
Total Time: 15 minutes
Servings: 6

Equipment

  • 12-inch cast iron skillet
  • Stock pot
  • Mixing bowls

Ingredients

For the Pasta:

  • 1 tablespoon kosher salt
  • 8 ounces penne pasta

For the Shrimp and Sauce:

  • 1 pound raw shrimp cleaned, deveined, tails removed (pat dry with paper towels for best results)
  • 2 tablespoons Cajun seasoning use less if using store-bought, as it may be saltier; see notes for details
  • 1 tablespoon olive oil
  • 1 tablespoon butter
  • 1 cup heavy cream
  • 1/2 cup finely grated Parmesan cheese preferably from a block; a microplane works best

Instructions

  • Prepare all the ingredients before starting. Begin cooking the pasta around the same time as the shrimp to coordinate the timing.
  • In a mixing bowl, combine the shrimp with Cajun seasoning and olive oil, tossing to coat evenly.
  • Fill a stock pot with water, add the salt, and bring to a boil over high heat. Meanwhile, heat a large skillet over medium-high heat.
  • Once the water is boiling, add the penne pasta and cook until al dente. Before draining, reserve at least 1/2 cup of the pasta cooking water. Drain the pasta and set aside.
  • While the pasta cooks, add the butter to the preheated skillet and allow it to melt. Place the seasoned shrimp in a single layer in the skillet and cook until they turn golden brown on each side, turning only once. You may need to cook the shrimp in batches to avoid overcrowding. Once cooked, transfer the shrimp to a clean plate and reduce the skillet heat to medium.
  • Pour the heavy cream into the skillet, scraping the bottom with a flat wooden spoon to release any seasoning stuck to the pan. Allow the cream to bubble gently at the edges, then lower the heat to a simmer. Stir in the grated Parmesan cheese until it melts into the sauce.
  • Return the cooked pasta and shrimp to the skillet, stirring to coat them in the sauce. If the sauce is too thick, add reserved pasta water, a tablespoon at a time, until the desired consistency is reached. Taste and add extra salt, if needed.

Notes

Salt Level: Consider making a homemade Cajun seasoning mix, which typically contains less salt than store-bought versions. If using store-bought, start with a smaller amount and adjust to taste.
Cajun Seasoning: To reduce the spiciness, lower the quantity of cayenne pepper or red pepper flakes.
Protein Variations: You can substitute the shrimp with a flattened, tenderized chicken breast or wild-caught scallops for different flavor profiles.
Parmesan Cheese: For the best melting results, grate the cheese from a block using a microplane. If using pre-grated cheese, mince it as finely as possible.
Doubling the Recipe: This recipe can easily be doubled. If you choose to double, make a batch of homemade Cajun seasoning mix, which yields exactly 4 tablespoons, the amount needed for doubling this dish.