Seafood Linguine Recipe

I recently discovered a new way to make my go-to seafood linguine recipe feel special and new.

This dish features a vibrant, creamy sauce that clings to every strand of pasta, creating a truly luxurious dining experience. It’s an easy dinner idea that uses a rich roasted red pepper and harissa cream base instead of a traditional white wine sauce. This creamy seafood linguine recipe is perfect for a weeknight and impressive enough for guests.

My family found a new favorite in this creamy seafood linguine recipe; the subtle heat from the harissa is balanced by the sweet, creamy roasted red peppers, making it irresistible.

Ingredients

• Linguine Pasta (14 oz / 400g): The long, flat shape of linguine holds this creamy sauce perfectly, making it the ideal choice for this recipe.
  Cook until perfectly al dente according to package directions; save some pasta water before draining.
  If you don’t have linguine, spaghetti or fettuccine are acceptable substitutes.
• Large Shrimp (1 lb / 450g): Look for high-quality, sustainably sourced large shrimp, peeled and deveined with tails left on for best presentation.
  Ensure shrimp are fully thawed and patted dry before cooking; this prevents a watery sauce and ensures even cooking.
  Smaller shrimp can be used, but adjust cooking time to avoid overcooking.
• Fresh Clams (1 lb / 450g): Use fresh, live clams, such as littleneck or cherrystone varieties.
  Make sure to scrub them thoroughly with a brush and cold water to remove sand or grit.
  Discard any clams that are open before cooking; they should close when tapped.
• Olive Oil (1/4 cup / 60ml): This forms the base for sautéing the aromatics and building the sauce’s initial flavor.
  Use a quality extra virgin olive oil for a richer flavor profile.
  A small amount of butter can also be added for extra richness if desired.
• Shallots and Garlic (2 small shallots, 4 cloves garlic): These provide the essential aromatic base for the sauce, offering a milder flavor than regular onion.
  Mince them finely to ensure they melt into the sauce as it cooks.
  Do not let the garlic burn, as this will introduce bitterness to the final dish.
• Roasted Red Peppers (8 oz jar): Jarred roasted red peppers add sweetness, depth, and body to the creamy sauce base.
  Drain well and chop them finely before adding to the skillet.
  This ingredient significantly enhances the sauce’s vibrant color and flavor.
• Harissa Paste (1 tbsp): Harissa paste adds a subtle smoky heat and complexity to balance the richness of the cream and sweetness of the peppers.
  Start with a small amount if unsure about the heat level; adjust to taste.
  Ensure the harissa paste aligns with any dietary restrictions (check for non-permissible ingredients like alcohol in some brands).
• Tomato Paste (1 tsp): A small amount of tomato paste deepens the sauce’s color and provides a savory umami backbone.
  Sautéing it briefly helps intensify the flavor before adding liquids.
  Do not skip this, as it adds complexity.
• Vegetable Stock (1 cup / 240ml): Use low-sodium vegetable stock to control the overall salt level in the final dish.
  This provides the necessary liquid to simmer the sauce and infuse flavors.
  Chicken stock can be used as an alternative, but vegetable stock keeps the flavors cleaner for seafood.
• Heavy Cream (1/2 cup / 120ml): Heavy cream provides the luxurious, velvety texture for the sauce.
  For a lighter or dairy-free option, use full-fat coconut milk or plant-based cooking cream (cashew or oat-based).
  Add this toward the end of cooking to maintain its smooth consistency.
• Fresh Lemon Juice (1 tbsp): A squeeze of fresh lemon juice brightens up the entire dish and cuts through the richness of the cream and harissa.
  Use fresh juice for the best flavor; avoid bottled concentrate.
  Add this at the end to preserve its bright acidity.
• Salt and Pepper (to taste): Seasoning is crucial for bringing out the flavors of the seafood and sauce.
  Taste and adjust before serving; remember that the pasta water was salted, so season the sauce carefully.
  Use freshly ground black pepper for a more pungent flavor.
• Fresh Parsley (for garnish): Freshly chopped parsley adds a beautiful bright green garnish and a fresh, herbaceous note.
  Garnish generously right before serving for maximum visual appeal and flavor.
  Flat-leaf parsley is typically preferred over curly parsley for its stronger flavor.

Instructions

1. Prepare the Pasta: Bring a large pot of water to a rolling boil and add a generous amount of salt.
   Add the linguine and cook according to package directions, typically 8-10 minutes, until al dente (firm to the bite).
   Before draining, reserve approximately 1/2 cup of the starchy pasta cooking water; then drain the linguine and set it aside.
2. Sauté Aromatics: While the pasta cooks, heat 1/4 cup olive oil in a large, deep skillet or Dutch oven over medium heat.
   Add the minced shallots and cook for 3-4 minutes until they become soft and translucent.
   Add the minced garlic and cook for another minute until fragrant, stirring constantly to prevent burning.
3. Build the Sauce Base: Stir in the finely chopped roasted red peppers, harissa paste, and tomato paste.
   Cook for 3-4 minutes, stirring frequently, allowing the flavors to meld together and the tomato paste to darken slightly.
   The goal here is to toast the spices in the harissa and deepen the base flavor before adding liquids.
4. Simmer and Cream: Pour in the vegetable stock and bring the mixture to a gentle simmer.
   Cook for 5 minutes, stirring occasionally, until the sauce reduces slightly and thickens.
   Stir in the heavy cream and fresh lemon juice, then season with salt and black pepper; bring to a low simmer.
5. Cook the Clams: Once the sauce is simmering, add the scrubbed fresh clams to the skillet.
   Cover the skillet tightly with a lid and cook for 3-5 minutes, or until all the clams have opened up.
   Discard any clams that do not open during this process, as they are not safe to eat.
6. Add Shrimp and Combine: Add the peeled shrimp to the skillet and cook for 2-3 minutes, stirring gently.
   The shrimp are done as soon as they turn pink and opaque; avoid overcooking to keep them succulent.
   Immediately add the cooked linguine to the skillet and toss everything gently to ensure the pasta is fully coated in the harissa cream sauce.
7. Adjust Consistency and Serve: If the sauce seems too thick, add a splash of the reserved pasta cooking water (a tablespoon at a time) until it reaches your desired consistency.
   Serve immediately in wide, shallow bowls, making sure to distribute the shrimp and clams evenly.
   Garnish generously with freshly chopped parsley to add a bright contrast to the rich, glossy sauce.

Substitutions and Variations for This Seafood Linguine Recipe

Our goal with this creamy seafood linguine recipe is to make it accessible for any home cook, so here are a few simple ways to adapt it based on what you have on hand or specific dietary needs.

• Dairy-Free Cream Sauce: To make this recipe dairy-free, simply replace the heavy cream with full-fat canned coconut milk or a plant-based cooking cream. Both offer similar richness and texture without dairy.
• Seafood Variations: Add other types of seafood such as mussels, scallops, or firm white fish chunks (like cod or halibut) to replace or complement the shrimp and clams. Mussels cook in a similar timeframe to clams; add scallops near the end to prevent overcooking.
• Adjusting Heat Levels: If you prefer less heat, reduce the amount of harissa paste to 1/2 tablespoon or substitute with sun-dried tomato paste for a similar savory depth without the spice. For extra spice, add a pinch of red pepper flakes with the garlic.
• Adding Vegetables: For a more complete meal, add pre-cooked vegetables like spinach (wilts quickly) or bell peppers (sauté with shallots) to increase the nutritional value.
• Different Pasta Shapes: While linguine is recommended, you can easily use other long pastas like fettuccine, spaghetti, or even short pastas like penne or fusilli.

FAQs about Making Creamy Seafood Linguine

How do I prepare fresh clams before cooking?

Scrub the clams vigorously under cold running water with a stiff brush to remove any external sand or grit. Discard any clams that have a broken shell or that remain open after being tapped; open clams are no longer alive.

Can I make this recipe ahead of time?

It is best served fresh, but you can prepare the harissa cream sauce (without the seafood) up to 2 days ahead and store it in the refrigerator. Reheat the sauce gently and add the seafood right before serving for the best texture and flavor.

What if I can’t find harissa paste?

Harissa paste adds a unique flavor profile; however, you can substitute it with a mix of a small amount of smoked paprika, a pinch of cayenne pepper, and a dash of cumin. You can also try a milder chili paste or Calabrian chili paste.

Why did my cream sauce break or curdle?

This can happen if the heat is too high when adding the cream, or if acidic ingredients (like lemon juice) are added before the cream is fully incorporated. Reduce the heat to low before adding cream; if it breaks, whisk vigorously with a splash of hot pasta water to try and emulsify it. I’ve learned that adding the lemon juice right at the very end prevents curdling when making a rich cream sauce.

How do I prevent overcooked shrimp?

Shrimp cook very quickly, usually in 2-3 minutes. Add them to the sauce last, after the clams have opened, and remove the skillet from the heat as soon as they turn pink and opaque. Overcooked shrimp become rubbery and tough.

What can I serve alongside this rich pasta dish?

A crisp side salad or simple crusty garlic bread are perfect accompaniments. A light, dry white wine like Sauvignon Blanc or Pinot Grigio pairs beautifully with the creamy seafood.

Is this seafood linguine recipe gluten-free or low-carb friendly?

For a gluten-free version, use gluten-free linguine or fettuccine. For a low-carb option, skip the pasta entirely and serve the creamy seafood sauce over zucchini noodles (zoodles) or spaghetti squash.

What to Serve with Creamy Seafood Linguine

• Crusty Garlic Bread: A thick slice of toasted garlic bread is ideal for soaking up every drop of the delicious harissa cream sauce. Brush Italian bread slices with melted butter and garlic powder, then toast until golden.
• Simple Green Salad: Balance the richness of the pasta with a light and refreshing salad. Use crisp greens like arugula, romaine, or spinach tossed in a basic vinaigrette dressing.
• Roasted Asparagus or Broccolini: For a quick vegetable side, roast asparagus spears or broccolini florets with olive oil, salt, and pepper. Roasting adds a slight char that contrasts nicely with the creamy sauce.

Conclusion

This vibrant harissa seafood linguine recipe transforms a simple dinner into something truly memorable with minimal effort. The combination of creamy roasted red pepper, subtle harissa spice, and fresh seafood makes for an incredibly satisfying meal. I love how this recipe feels both impressive and effortless at the same time. Save this recipe on Pinterest so you can easily find it for your next family dinner!

seafood linguine recipe

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• Author: Rachel Thompson
• Total Time: 35 minutes
• Yield: 4 servings 1x
• Diet: Pescatarian

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Description

This creamy seafood linguine recipe features a rich roasted red pepper and harissa cream base, offering a unique twist on traditional seafood pasta. It’s an easy weeknight meal that balances subtle heat with sweet creaminess, perfect for a luxurious dining experience.

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Ingredients

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• 14 ounces linguine pasta
• 1 pound large shrimp (peeled, deveined)
• 1 pound fresh clams (scrubbed)
• 1/4 cup olive oil
• 2 small shallots (minced)
• 4 cloves garlic (minced)
• 8 ounces jarred roasted red peppers (drained, chopped)
• 1 tablespoon harissa paste
• 1 teaspoon tomato paste
• 1 cup low-sodium vegetable stock
• 1/2 cup heavy cream
• 1 tablespoon fresh lemon juice
• Salt and freshly ground black pepper (to taste)
• Fresh parsley (chopped for garnish)

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Instructions

1. Prepare the Pasta: Cook linguine in well-salted water until al dente. Reserve about 1/2 cup of starchy pasta water before draining the linguine.
2. Sauté Aromatics: Heat olive oil in a large skillet over medium heat. Add minced shallots and cook for 3-4 minutes until soft. Add minced garlic and cook for 1 minute until fragrant.
3. Build the Sauce Base: Stir in the chopped roasted red peppers, harissa paste, and tomato paste. Cook for 3-4 minutes, stirring constantly to toast the spices and deepen the flavors.
4. Simmer and Cream: Pour in the vegetable stock and bring to a simmer. Cook for 5 minutes, then stir in the heavy cream and fresh lemon juice. Season with salt and pepper and bring back to a low simmer.
5. Cook the Clams: Add the scrubbed clams to the simmering sauce. Cover the skillet tightly and cook for 3-5 minutes, or until all clams have opened. Discard any clams that remain closed.
6. Add Shrimp and Combine: Add the peeled shrimp to the skillet and cook for 2-3 minutes until they turn pink and opaque. Add the cooked linguine and gently toss everything together until the pasta is fully coated in the sauce.
7. Adjust Consistency and Serve: If the sauce is too thick, add a splash of the reserved pasta water to reach the desired consistency. Serve immediately, garnished generously with fresh parsley.

Notes

For a dairy-free option, substitute heavy cream with full-fat canned coconut milk. To control the spice level, adjust the harissa paste amount to taste. Ensure all clams open fully during cooking; discard any that do not. Add lemon juice at the end to avoid curdling the cream.

• Prep Time: 15 minutes
• Cook Time: 20 minutes
• Category: Main Dish
• Method: Stovetop
• Cuisine: Italian-inspired

Nutrition

• Serving Size: 1 serving
• Calories: 800 kcal
• Sugar: 5g
• Sodium: 800mg
• Fat: 28g
• Saturated Fat: 16g
• Unsaturated Fat: 12g
• Trans Fat: 0g
• Carbohydrates: 35g
• Fiber: 3g
• Protein: 25g
• Cholesterol: 200mg