Instant Pot Shrimp Alfredo

Featured in: Creamy Comfort Dishes

This shrimp Alfredo pasta combines tender frozen shrimp with creamy Parmesan sauce, cooked perfectly in an electric pressure cooker. Pasta and shrimp cook together, then finish with butter, cream, and cheese to create a rich, indulgent meal. With simple seasoning and optional peas for texture, this dish offers a satisfying dinner straight to your table in just 20 minutes, ideal for busy evenings when time is tight.

Updated on Fri, 21 Nov 2025 12:58:00 GMT
Steaming Instant Pot Shrimp Alfredo Pasta, a comforting weeknight meal with creamy sauce and shrimp. Pin It
Steaming Instant Pot Shrimp Alfredo Pasta, a comforting weeknight meal with creamy sauce and shrimp. | lushkettle.com

A creamy, indulgent shrimp Alfredo pasta made effortlessly in the Instant Pot—straight from the freezer to your table in just 20 minutes. Perfect for busy weeknights!

I first served this on a busy weeknight and loved how quickly it came together without sacrificing flavor.

Ingredients

  • Frozen raw shrimp: 1 pound (450 g), peeled and deveined
  • Pasta: 12 ounces (340 g) fettuccine or linguine, broken in half
  • Heavy cream: 1 cup (240 ml)
  • Parmesan cheese: 1 cup (100 g), grated
  • Unsalted butter: 2 tablespoons (30 g)
  • Garlic: 3 cloves, minced
  • Frozen peas (optional): 1 cup (150 g)
  • Low-sodium chicken broth: 2 1/2 cups (600 ml)
  • Kosher salt: 1 teaspoon
  • Black pepper: 1/2 teaspoon, freshly ground
  • Crushed red pepper flakes (optional): 1/4 teaspoon
  • Fresh parsley: 2 tablespoons chopped, for garnish

Instructions

Add pasta:
Add the broken pasta to the Instant Pot, spreading it out evenly.
Add broth and garlic:
Pour in the chicken broth and scatter the minced garlic over the pasta.
Add shrimp:
Add the frozen shrimp directly on top of the pasta (do not stir).
Season:
Sprinkle with salt, black pepper, and red pepper flakes if using.
Pressure cook:
Secure the Instant Pot lid and set the valve to Sealing. Cook on High Pressure for 6 minutes.
Release pressure:
Quick-release the pressure carefully as soon as the cooking time is up.
Add cream and cheese:
Open the lid, add the butter, heavy cream, Parmesan cheese, and frozen peas if using. Stir well until the cheese is melted and the sauce is creamy.
Thicken sauce:
Let the pasta sit for 2 3 minutes to thicken.
Adjust seasoning:
Taste and adjust seasoning as needed.
Serve:
Serve immediately, garnished with chopped parsley.
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My family enjoys gathering around the table for this meal, especially on weeknights when time is tight.

Variations

Try substituting half-and-half for heavy cream for a lighter sauce or adding baby spinach with the peas for extra greens.

Serving Suggestions

Pairs beautifully with a crisp white wine such as Pinot Grigio and a side of garlic bread.

Storage & Leftovers

Store leftovers in an airtight container in the fridge up to 3 days. Reheat gently with a splash of broth or cream to maintain sauce consistency.

Frozen shrimp and pasta transform into Instant Pot Shrimp Alfredo Pasta, ready in 20 minutes with Parmesan and peas. Pin It
Frozen shrimp and pasta transform into Instant Pot Shrimp Alfredo Pasta, ready in 20 minutes with Parmesan and peas. | lushkettle.com

This recipe balances convenience and flavor perfectly for quick weeknight meals.

Recipe Questions & Answers

Can I use fresh shrimp instead of frozen?

Yes, fresh shrimp can be used. Adjust cooking time slightly to avoid overcooking since fresh shrimp cook faster than frozen.

What pasta works best for this dish?

Fettuccine or linguine work well since they hold creamy sauces nicely; break them in half to fit the pot easily.

How do I make the sauce creamier?

Adding extra heavy cream or a bit of butter at the end enhances creaminess and richness of the sauce.

Can I add vegetables to this dish?

Frozen peas are a great addition, and fresh spinach or mushrooms can be stirred in after cooking for added nutrition and flavor.

Is it possible to prepare this ahead and freeze?

Yes, this dish freezes well. Cook fully, cool, then freeze in portions. Reheat gently to maintain texture and flavor.

Instant Pot Shrimp Alfredo

Creamy shrimp Alfredo pasta ready in 20 minutes, combining tender seafood with rich sauce and pasta.

Time to Prep
5 mins
Time to Cook
15 mins
Full Prep Time
20 mins
Created By Samantha Reeves


Skill Level Easy

Culinary Tradition Italian-American

Portion 4 Serving Size

Dietary Details None specified

What You Need

Protein & Seafood

01 1 pound frozen raw shrimp, peeled and deveined

Pasta

01 12 ounces fettuccine or linguine, broken in half

Dairy

01 1 cup heavy cream
02 1 cup grated Parmesan cheese
03 2 tablespoons unsalted butter

Vegetables & Aromatics

01 3 cloves garlic, minced
02 1 cup frozen peas (optional)

Liquids

01 2 1/2 cups low-sodium chicken broth

Seasonings

01 1 teaspoon kosher salt
02 1/2 teaspoon freshly ground black pepper
03 1/4 teaspoon crushed red pepper flakes (optional)
04 2 tablespoons chopped fresh parsley, for garnish

Steps

Step 01

Prepare Pasta Base: Place the broken pasta evenly in the Instant Pot.

Step 02

Add Liquids and Garlic: Pour in the chicken broth and sprinkle minced garlic over the pasta.

Step 03

Layer Shrimp: Arrange frozen shrimp directly on top of the pasta without stirring.

Step 04

Season: Sprinkle kosher salt, black pepper, and crushed red pepper flakes if using over the shrimp.

Step 05

Pressure Cook: Secure the lid, set the valve to sealing, and cook on high pressure for 6 minutes.

Step 06

Release Pressure: Perform a quick release of pressure carefully once the cooking cycle completes.

Step 07

Finish Sauce: Open the lid and add butter, heavy cream, Parmesan cheese, and frozen peas if desired. Stir until cheese melts and sauce becomes creamy.

Step 08

Thicken Sauce: Allow the pasta to rest for 2 to 3 minutes to thicken the sauce.

Step 09

Adjust Seasoning: Taste and adjust salt and pepper as needed.

Step 10

Garnish and Serve: Serve immediately, garnished with chopped fresh parsley.

Tools You'll Need

  • 6-quart or larger Instant Pot or electric pressure cooker
  • Measuring cups and spoons
  • Tongs or large spoon

Allergy Info

Review every ingredient for allergens and reach out to your doctor with concerns.
  • Contains shellfish, dairy, and wheat. May contain gluten; verify pasta labels.

Nutrition Info (per portion)

Details offered for informational purposes, not as a substitute for professional health guidance.
  • Calories: 520
  • Fats: 20 g
  • Carbohydrates: 52 g
  • Proteins: 32 g