Creamy Cajun Shrimp Pasta

Creamy Cajun Shrimp Pasta with Bell Peppers served in a white bowl, twirled on a fork with a bite of shrimp and colorful peppers, parsley garnish, ready to eat. Save
Creamy Cajun Shrimp Pasta with Bell Peppers served in a white bowl, twirled on a fork with a bite of shrimp and colorful peppers, parsley garnish, ready to eat. | flavorquestblog.com

This dish blends tender shrimp and colorful bell peppers with a smooth, spicy Cajun cream sauce. The pasta is cooked al dente and tossed with a flavorful combination of seasonings, fresh garlic, and Parmesan cheese for a rich finish. Quick to prepare, it’s ideal for a satisfying weeknight meal combining bold flavors with creamy textures.

The first time I made this Cajun shrimp pasta, my kitchen smelled like a New Orleans restaurant and I couldnt stop tasting the sauce straight from the spoon. My roommate wandered in with that specific look people get when something incredible is happening on the stove.

I served this at a small dinner party last month and my friend actually paused mid conversation to say I should open a restaurant. The way the peppers add sweetness against all that spice is just something special.

Ingredients

  • 1 lb large shrimp, peeled and deveined: Pat them completely dry before seasoning so they sear instead of steam
  • 12 oz fettuccine or linguine: I prefer fettuccine because the flat surface holds onto that velvety cream sauce better
  • 1 red bell pepper and 1 yellow bell pepper, thinly sliced: The mix of colors looks gorgeous and they both bring different levels of sweetness
  • 1 small red onion, thinly sliced: Red onion has a milder bite that plays nicely with the cream
  • 3 cloves garlic, minced: Fresh minced garlic makes a huge difference over the jarred stuff here
  • 1 cup heavy cream: This creates that luscious restaurant style texture youre looking for
  • 1/2 cup freshly grated Parmesan cheese: Freshly grated melts smoothly unlike the pre shredded variety which can get grainy
  • 1 1/2 tbsp Cajun seasoning: Make your own or buy your favorite brand just taste it first since heat levels vary wildly
  • 1/2 tsp salt and 1/4 tsp black pepper: Adjust these based on how salty your Cajun seasoning already is
  • 1/4 tsp smoked paprika: This adds such a beautiful depth and a subtle smoky undertone
  • 1/4 tsp crushed red pepper flakes: Optional but I always add them for that extra background heat
  • 2 tbsp olive oil and 2 tbsp unsalted butter: The mix gives you flavor from the butter and a higher smoke point from the oil
  • 2 tbsp chopped fresh parsley: Brings a bright fresh contrast to all that rich cream
  • Lemon wedges: A squeeze right before serving cuts through the richness beautifully

Instructions

Get your pasta water going first:
Cook the fettuccine until al dente then drain but save 1/2 cup of that starchy pasta water before you dump it
Season the shrimp while you wait:
Toss the shrimp with 1 tablespoon of the Cajun seasoning plus the salt and pepper until theyre evenly coated
Sear the shrimp perfectly:
Heat 1 tablespoon each of olive oil and butter in a large skillet over medium high then cook shrimp 2 to 3 minutes per side until pink and opaque
Sauté the vegetables:
In that same skillet add the remaining oil and butter then cook the onions and peppers 4 to 5 minutes until softened and fragrant
Build the sauce base:
Add the garlic and cook 1 minute more then stir in the remaining Cajun seasoning smoked paprika and red pepper flakes
Create the cream sauce:
Pour in the heavy cream and bring it to a gentle simmer then stir in the Parmesan until melted and smooth
Combine everything:
Toss in the cooked pasta and shrimp with the sauce adding pasta water as needed to get that perfect coating consistency
Finish and serve:
Cook everything 1 to 2 minutes until heated through then sprinkle with fresh parsley and serve with those lemon wedges
Steaming skillet of Creamy Cajun Shrimp Pasta with Bell Peppers, sautéed peppers and onions in a rich, spicy cream sauce, tongs lifting pasta, ideal for a quick weeknight dinner. Save
Steaming skillet of Creamy Cajun Shrimp Pasta with Bell Peppers, sautéed peppers and onions in a rich, spicy cream sauce, tongs lifting pasta, ideal for a quick weeknight dinner. | flavorquestblog.com

This pasta became my go to for nights when I want something that feels special but dont have hours to spend cooking. Something about the combination of spicy creamy and fresh just works.

Making It Lighter

Ive made this with half and half instead of heavy cream and while its less luxurious it still delivers on flavor. The texture changes slightly but all those Cajun spices still shine through beautifully.

Protein Swaps

Chicken cut into bite sized pieces works wonderfully here as does andouille sausage if you want to double down on that Cajun vibe. Just adjust your cooking time accordingly since chicken needs longer than shrimp.

Wine Pairing

A crisp Sauvignon Blanc cuts through the cream while a light Chardonnay complements the richness without overpowering the delicate shrimp flavor. Either way pour what you enjoy drinking because the best meals are the ones you actually want to eat.

  • A cold glass of white wine helps balance the heat from the spices
  • Crusty bread is essential for sopping up any leftover sauce
  • This reheats surprisingly well for lunch the next day
Close-up of Creamy Cajun Shrimp Pasta with Bell Peppers highlighting succulent shrimp, glossy sauce coating fettuccine, and vibrant red and yellow pepper strips, lemon wedge on the side. Save
Close-up of Creamy Cajun Shrimp Pasta with Bell Peppers highlighting succulent shrimp, glossy sauce coating fettuccine, and vibrant red and yellow pepper strips, lemon wedge on the side. | flavorquestblog.com

There is something so satisfying about a pasta dish that looks impressive but comes together this easily. Enjoy every spicy creamy bite.

Recipe FAQs

Use heavy cream combined with Cajun seasoning, garlic, and Parmesan cheese. Simmer gently to meld flavors and thicken the sauce.

Fettuccine or linguine works well as they hold the creamy sauce evenly and complement the shrimp’s texture.

Yes, add or reduce red pepper flakes and Cajun seasoning to control the spiciness to your preference.

Cook shrimp briefly over medium-high heat until opaque and just pink, about 2-3 minutes per side, to keep them tender.

For a lighter sauce, replace heavy cream with half-and-half; shrimp can be swapped for chicken or sausage for variation.

Creamy Cajun Shrimp Pasta

Spicy pasta with shrimp, bell peppers, and a rich creamy Cajun sauce for a vibrant dinner option.

Prep 15m
Cook 20m
Total 35m
Servings 4
Difficulty Easy

Ingredients

Seafood

  • 1 lb large shrimp, peeled and deveined

Pasta

  • 12 oz fettuccine or linguine

Vegetables

  • 1 red bell pepper, thinly sliced
  • 1 yellow bell pepper, thinly sliced
  • 1 small red onion, thinly sliced
  • 3 cloves garlic, minced

Dairy

  • 1 cup heavy cream
  • 1/2 cup freshly grated Parmesan cheese

Spices & Seasonings

  • 1 1/2 tbsp Cajun seasoning
  • 1/2 tsp salt
  • 1/4 tsp black pepper
  • 1/4 tsp smoked paprika
  • 1/4 tsp crushed red pepper flakes

Pantry

  • 2 tbsp olive oil
  • 2 tbsp unsalted butter

Garnish

  • 2 tbsp chopped fresh parsley
  • Lemon wedges

Instructions

1
Prepare the Pasta: Cook pasta according to package instructions until al dente. Drain, reserving 1/2 cup of pasta water. Set aside.
2
Season the Shrimp: Pat shrimp dry and toss with 1 tablespoon Cajun seasoning, salt, and pepper until evenly coated.
3
Sear the Shrimp: Heat 1 tablespoon olive oil and 1 tablespoon butter in a large skillet over medium-high heat. Add shrimp and cook for 2–3 minutes per side until pink and opaque. Remove from skillet and set aside.
4
Sauté Vegetables: In the same skillet, add remaining olive oil and butter. Sauté onion and bell peppers for 4–5 minutes until softened. Add garlic and cook for 1 minute more.
5
Build the Sauce: Lower heat to medium. Stir in remaining Cajun seasoning, smoked paprika, and red pepper flakes. Pour in heavy cream and bring to a gentle simmer.
6
Thicken with Cheese: Stir in Parmesan cheese until melted and sauce is smooth. Add reserved pasta water as needed to reach desired consistency.
7
Combine and Serve: Add cooked pasta and shrimp to the skillet. Toss to coat everything evenly in the sauce. Cook for 1–2 minutes until heated through. Remove from heat, garnish with fresh parsley, and serve with lemon wedges.
Additional Information

Equipment Needed

  • Large pot
  • Large skillet
  • Colander
  • Chef's knife
  • Cutting board

Nutrition (Per Serving)

Calories 625
Protein 36g
Carbs 59g
Fat 29g

Allergy Information

  • Contains shellfish (shrimp)
  • Contains dairy (cream, Parmesan)
  • Contains wheat (pasta)
Natalie Vaughn

Sharing simple, flavorful recipes and kitchen tips for busy home cooks and food lovers.