Creamy Shrimp Pesto Pasta

This quick seafood pasta comes together in just 20 minutes, making it an ideal choice for busy weeknights or elegant dinner parties. The rich, creamy sauce blends perfectly with savory pesto and tender shrimp for a high-flavor meal.

Recipe image

List of ingredients

  • 1 pound linguine – or any preferred pasta shape.
  • 1/4 cup unsalted butter – salted butter or olive oil may be used as alternatives.
  • 2 cloves garlic – finely minced.
  • 1 tablespoon all-purpose flour – used for thickening the sauce.
  • 2 cups half-and-half – creates the creamy base.
  • 1 cup freshly grated Parmesan cheese – adds saltiness and depth.
  • 1/2 teaspoon kosher salt – avoid using standard table salt for better flavor balance.
  • 1/2 teaspoon black pepper – freshly ground is preferred.
  • 1/8 teaspoon cracked red pepper flakes – adds a subtle heat.
  • 1/3 cup pesto sauce – either homemade or store-bought.
  • 1 pound large shrimp – peeled, deveined, and thawed if previously frozen.
  • Fresh torn basil – used for final garnish.

step-by-step instructions

  1. Cook the Pasta: Bring a large pot of salted water to a boil and cook the linguine according to the package directions until it reaches an al dente texture.
  2. Prepare the Aromatics: Melt the butter in a large nonstick skillet over medium heat, then add the minced garlic and sauté for about 30 seconds until fragrant.
  3. Create the Thickener: Stir in the all-purpose flour, mixing thoroughly until it is fully incorporated and no lumps remain in the pan.
  4. Simmer the Cream Sauce: Increase the heat slightly and slowly whisk in the half-and-half, Parmesan cheese, kosher salt, black pepper, and red pepper flakes. Cook for approximately 5 minutes while whisking constantly; ensure the sauce does not reach a full boil to prevent curdling.
  5. Cook the Shrimp: Whisk the pesto sauce into the cream mixture, then add the shrimp. Cook and stir occasionally for about 4 minutes or until the shrimp turn pink.
  6. Combine and Serve: Add the cooked pasta to the skillet with the sauce, tossing well to ensure every strand is coated. Garnish with fresh torn basil before serving.

Expert Tips for Sauce Success

Maintain Low Heat to Prevent Curdling

The combination of half-and-half and Parmesan cheese is sensitive to extreme heat. Keep the temperature just below a simmer to ensure the sauce remains a smooth emulsion rather than separating.

Whisk Constantly for Texture

Continuous whisking is essential to prevent the flour from forming clumps. It also ensures that the cheese melts evenly and doesn’t stick to the bottom of the skillet.

Roux Integration Technique

Allowing the flour to cook in the melted butter for a short time removes the raw grain taste. Stir the mixture until it is bubbly but not browned before introducing the liquids.

Alternative Ingredients and Swaps

Selecting the Best Pasta Shape

While linguine is the traditional choice, fettuccine or pappardelle are excellent for holding heavy sauces. Short pastas like penne or fusilli are better for meal prepping and portioning.

Dairy-Free Creamy Alternatives

To create a dairy-free version, replace the half-and-half with full-fat coconut milk or a cashew-based cream. Ensure the substitute is thick enough to maintain the sauce’s body.

Cheese Substitutions

Pecorino Romano can be used instead of Parmesan for a saltier, sharper flavor profile. For a nuttier taste, consider using a high-quality Gruyere or Fontina.

Pesto Flavor Variations

Swap traditional basil pesto for sun-dried tomato pesto to add a deeper, sweeter dimension to the dish. Kale or spinach pesto can be used for a more earthy, nutrient-dense alternative.

Complementary Add-ins and Protein Swaps

Using Scallops Instead of Shrimp

Sea scallops provide a buttery texture that pairs exceptionally well with pesto. Sear them in a separate pan first to achieve a golden-brown crust before adding them to the sauce.

Adding Diced Tomatoes

Stir in a drained can of petite diced tomatoes to introduce acidity to the dish. This brightness helps cut through the richness of the butter and cream.

Integrating Sliced Mushrooms

Sauté sliced mushrooms along with the garlic to add umami depth. This is a great way to make the meal feel more substantial and heartier.

Vegetarian-Friendly Base Options

Replace the shrimp with sautéed zucchini ribbons, steamed broccoli, or roasted cauliflower. These vegetables absorb the pesto cream sauce effectively while keeping the dish meat-free.

Serving and Presentation Ideas

Pairing with Fresh Greens

A crisp Caesar salad is a classic accompaniment that provides a refreshing contrast to the creamy pasta. A lemon-based vinaigrette can further brighten the overall meal.

Adding Roasted Vegetable Sides

Roasted asparagus or Brussels sprouts provide a charred, smoky flavor that complements the fresh basil. Toss them in olive oil and garlic before roasting at 400 degrees Fahrenheit.

Dessert Pairings

A light tiramisu or a lemon sorbet serves as an ideal palate cleanser after a rich seafood meal. Avoid heavy cakes to maintain a balanced dining experience.

Preservation and Reheating Instructions

Refrigeration and Storage Containers

Transfer leftovers to an airtight container and allow them to cool completely before sealing. The sauce will naturally thicken into a paste-like consistency during refrigeration.

Reheating in a Saucepan

For the best results, reheat the pasta slowly over low heat on the stove. Stir frequently to re-emulsify the fats and liquids into a smooth sauce.

Microwave Reheating Method

Heat the pasta in 30-second intervals in a microwave-safe bowl. Stir between each interval to prevent hot spots and ensure the shrimp do not overcook.

Adjusting Sauce Consistency

If the sauce becomes too thick during reheating, whisk in a tablespoon of milk or reserved pasta water. This restores the original creamy texture without altering the flavor.

Troubleshooting Common Kitchen Errors

Fixing a Curdled Sauce

If the sauce separates, remove it from the heat immediately. Whisk in a small amount of warm milk or a tiny pinch of cornstarch slurry to help stabilize the emulsion.

Preventing Rubbery Shrimp

Cook the shrimp only until they turn pink and opaque. Overcooking shrimp leads to a tough, rubbery texture that ruins the delicacy of the dish.

Avoiding Sticky Pasta

Toss the pasta with the sauce immediately after draining. If the noodles begin to clump, add a splash of the reserved starchy pasta water to loosen them up.

Frequently Asked Questions

Can I use frozen shrimp?

Yes, but you must ensure they are completely thawed and patted dry with paper towels. Excess water from frozen shrimp can dilute the sauce and prevent it from thickening.

Should I salt the pasta water?

Yes, salt the water generously before adding the pasta. This is the only opportunity to season the pasta itself, which enhances the final flavor of the dish.

Can I make this sauce without flour?

You can omit the flour and reduce the sauce by simmering it for a longer period. However, the flour provides the stability needed to keep the cream and cheese together.

What is the best way to mince garlic?

Use a garlic press or a very sharp chef’s knife to mince the cloves finely. Smaller pieces ensure the garlic flavor is distributed evenly throughout the butter base.

How can I make the dish spicier?

Increase the amount of red pepper flakes or stir in a teaspoon of sriracha or crushed red pepper at the end. You can also add sliced fresh jalapeños for a sharper heat.

Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Creamy Shrimp Pesto Pasta

Creamy Shrimp Pesto Pasta


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: alyssabennett
  • Total Time: 20 minutes
  • Yield: 8 servings 1x
  • Diet: General

Description

This easy Shrimp Pesto Pasta recipe is a quick and easy meal with a rich sauce that’s full of flavor. A dish that’s fancy enough for a dinner party, but perfect for a busy weeknight meal!


Ingredients

Scale
  • 1 pound linguine
  • 1/4 cup unsalted butter
  • 2 cloves garlic, minced
  • 1 tablespoon all-purpose flour
  • 2 cups half-and-half
  • 1 cup freshly grated Parmesan cheese
  • 1/2 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/8 teaspoon cracked red pepper flakes
  • 1/3 cup pesto sauce
  • 1 pound large shrimp, peeled and deveined, thawed if frozen
  • fresh torn basil, for garnish

Instructions

  1. Step 1: Bring a large pot of water to boil; cook your linguine according to package directions, al dente.
  2. Step 2: In the meantime, melt butter in a large nonstick skillet over medium heat. Add in the garlic and saute until fragrant, about 30 seconds. Add flour, stirring until fully incorporated and no lumps remain.
  3. Step 3: Bump up the heat just slightly and slowly whisk in the half-and-half, Parmesan, salt, black pepper, and cracked red pepper. Cook, whisking constantly, until slightly thickened, about 5 minutes.
  4. Step 4: Whisk in the pesto and add the shrimp; cook, stirring occasionally, until the shrimp turn pink, about 4 minutes.
  5. Step 5: Add the pasta to the skillet with the sauce and toss to coat.
  6. Step 6: Garnish with fresh basil.

Notes

Transfer leftovers to a storage container and refrigerate for up to 4 days. Reheat gently over low heat or in 30-second intervals in the microwave. If the sauce seems too thick, whisk in a splash of milk until the sauce is to your liking.

  • Prep Time: 10 minutes
  • Cook Time: 10 minutes
  • Category: Main Course
  • Method: Stovetop
  • Cuisine: Italian

Nutrition

  • Serving Size: 1 serving
  • Calories: 495 kcal
  • Sugar: 2 g
  • Sodium: 903 mg
  • Fat: 22 g
  • Saturated Fat: 11 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0 g
  • Carbohydrates: 47 g
  • Fiber: 2 g
  • Protein: 26 g
  • Cholesterol: 192 mg

Leave a Comment

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star