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Dinner · Part 2 of 3: Instructions

Creamy Cajun Sausage and Garlic Butter Spaghetti Step-by-step instructions

Creamy Cajun sausage spaghetti in a white bowl with melted mozzarella and spinach.
Prep
Cook
Total
Serves
4

Before you start

Before you begin cooking, ensure all your ingredients are prepped and ready for use. Finely mince the garlic cloves and shred the mozzarella cheese if you are using a block. Have your Cajun sausage removed from its casing and ready for the skillet.

Bring your pot of salted water to a rolling boil so the pasta can be cooked immediately once the prep is complete. Having everything measured and within reach will make the cooking process smooth and efficient, which is crucial for a dish that comes together this quickly.

Ingredients at a glance (8)
  • 1 lb spaghetti
  • 1 lb cajun sausage, crumbled
  • 3 tbsp butter
  • 4 cloves garlic, minced
  • 1 cup heavy cream
  • 1 tbsp cajun seasoning
  • 3 cups baby spinach
  • 1 cup shredded mozzarella cheese

Instructions

Preparing the base

  1. Boil the pasta
    Bring a large pot of salted water to a boil. Add the spaghetti and cook until al dente according to the package instructions. Drain the pasta, reserving a half cup of the starchy cooking water, and set aside.
    Look for Pasta should be firm to the bite.
    Tip Save a bit of pasta water to adjust the sauce consistency later.

The pasta is cooked to an al dente texture and drained properly. The sausage is perfectly browned and cooked through, with all the flavorful fat rendered in the skillet.

The garlic is fragrant and translucent, and the cream is simmering gently, ready to receive the seasonings and the rest of the ingredients. Everything is prepped and the kitchen smells savory and inviting, setting the stage for the final assembly of this decadent pasta dish.

Creating the sauce

  1. Cook the sausage
    In a large skillet over medium-high heat, add the crumbled cajun sausage. Sauté until the meat is browned and cooked through, ensuring it reaches an internal temperature of 160°F (71°C). Remove the sausage from the pan if desired, or keep it in for extra flavor infusion.
    Look for Sausage is browned and fragrant.
    Safe temperature 160°F (71°C) internal temperature (ground meat)
    Tip Drain excess fat if the sausage releases too much.
  2. Create the sauce
    In the same skillet, melt the butter and add the minced garlic. Sauté for one minute until fragrant. Pour in the heavy cream and stir in the cajun seasoning. Simmer gently until the sauce begins to thicken slightly.
    Look for Sauce should coat the back of a spoon.
    Tip Whisk constantly to prevent the cream from scorching.

The sauce is thick, velvety, and well-seasoned with the Cajun spices. The spinach has been added and has just begun to wilt, retaining its vibrant green color. The texture is smooth and glossy, with no signs of separation or burning. The mixture is ready to receive the pasta and sausage, ensuring that every element is well-coated in the flavorful, creamy base that defines this dish.

Final assembly

  1. Combine and serve
    Add the spinach to the sauce and toss until wilted. Return the cooked spaghetti and sausage to the skillet. Toss everything together, adding a splash of reserved pasta water if needed. Top with shredded mozzarella and cover briefly to allow the cheese to melt into a stretchy, delicious finish.
    Look for Cheese is melted and sauce is creamy.
    Tip Serve immediately while the cheese is warm and stretchy.

The pasta, sausage, and sauce are fully combined, with the mozzarella cheese melted throughout to create a beautiful, stretchy finish. The dish is visually appealing, with a rich color and a glossy sheen. The spinach is perfectly incorporated, and the aroma is rich and spicy. The meal is now ready to be plated and served immediately to ensure the best texture and flavor experience for everyone.

Common mistakes

A common mistake is overcooking the pasta, which can lead to a mushy texture when combined with the sauce. Always aim for al dente, as the pasta will continue to cook slightly when tossed in the hot skillet.

Another error is using too much heat when preparing the cream sauce, which can cause the cream to break or the garlic to burn. Keep the heat at a medium level and stir constantly to maintain a smooth, emulsified sauce. Finally, avoid adding the cheese too early; wait until the very end to ensure it melts properly.

How to tell it’s done

The dish is considered done once the sauce has thickened to a creamy consistency that coats the back of a spoon and the mozzarella cheese is fully melted and stretchy. The sausage must be thoroughly cooked, reaching a safe internal temperature of 160°F (71°C) as verified by a meat thermometer.

The pasta should remain al dente, providing a pleasant chew that contrasts with the softness of the wilted spinach and the rich, velvety sauce. Serve immediately while the pasta is hot and the cheese is at its peak meltability.

  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this recipe be made with other types of pasta?
  • Why does the sauce sometimes split or become grainy?
  • How can the spiciness of the dish be adjusted?

Also in Part 3: variations (Chicken Cajun Pasta, Vegetarian Cajun Style), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)