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Instant Pot Cajun Sausage and Shrimp Pasta

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4.9 from 14 reviews

  • Author: Karen Petersen
  • Prep Time: 15 minutes
  • Cook Time: 4 minutes
  • Total Time: 40 minutes
  • Yield: 8 servings 1x


A creamy sauce envelopes curly pasta, sliced sausage bites and tender shrimp. A recipe with amazing flavor that rivals anything you could order at a restaurant.


  • 1 Tbsp olive oil
  • 1 cup diced onion
  • 3 large garlic cloves, minced
  • 3 1/2 cups low sodium chicken broth
  • 1 (13 oz) package andouille sausage or smoked sausage, sliced into 1/2 inch pieces (see note)
  • 12 cups sliced or quartered mushrooms
  • 1 pound uncooked cavatappi or penne pasta
  • 1 Tbsp cajun seasoning
  • 1 (14.5 oz) can fire roasted tomatoes
  • 1 (8 oz) package cream cheese, softened
  • 1 bell pepper, cored and thinly sliced (I used orange but green or red work too)
  • 1 (12 oz) package frozen cooked shrimp–tail off, peeled and deveined (see note)
  • 1 cup shredded or grated parmesan cheese


  1. Saute: Turn your Instant Pot to the saute setting. Once the display says HOT add in the olive oil and swirl it around. Add in the onion and saute for 3-4 minutes. Then add in the garlic and saute for 20 seconds. Add in the broth and scrape the bottom of the pot.
  2. Layer in the pot evenly: sausage, mushrooms, pasta, cajun seasoning and fire roasted tomatoes. Don’t stir.
  3. Pressure cook: Cover the pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 4 minutes. When the time is up you can perform a quick release. If foam starts coming out of the pot then move the valve back to sealing and wait a few seconds and try again. Remove the lid.
  4. Stir in the cream cheese, peppers, and shrimp. Cover the pot again and let the hot pasta warm the shrimp through, cook the peppers and melt the cream cheese. Let the pot sit for about 5 minutes (just on the warm setting). Then open the pot and stir in the cream cheese until it is incorporated. Stir in the parmesan cheese.
  5. Serve the pasta and enjoy!


I used my 6 quart Instant Pot Duo 60 7 in 1*.

I used Hillshire Farm Roasted Garlic Chicken Smoked Sausage. This was very tasty. If you want your pasta to have a little more heat then use the andouille cajun sausage.

I found a bag of cooked and deveined shrimp at Smith’s/Kroger and it was so perfect for this recipe! Look in the frozen section of your grocery store.

Cajun seasonings vary from brand to brand. My Kroger store brand seasoning wasn’t very spicy. Others have stated that 1 Tbsp was way too spicy for them. You may want to start with less spice and then add more to taste. 

  • Category: Pasta
  • Method: Instant Pot
  • Cuisine: Cajun