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overhead shot of cajun shrimp tomato alfredo pasta in a pot
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4.54 from 32 votes

Cajun Shrimp with Tomato Alfredo Pasta

Cajun Shrimp with Tomato Alfredo Pasta - a one pot dish of a simple and delicious tomato Alfredo sauce tossed with your favorite pasta and pan seared cajun shrimp. Dinner couldn't get any easier!
Prep Time10 mins
Cook Time25 mins
Total Time35 mins
Course: Dinner, Lunch, Main Course
Cuisine: American, Cajun
Keyword: cajun shrimp, shrimp, tomato alfredo pasta
Servings: 4
Calories: 732kcal


  • 12 oz pasta uncooked, such as fettuccine
  • 12 oz large shrimp uncooked, shells removed
  • 1 tbsp cajun seasoning
  • 2 tbsp olive oil
  • 2 tbsp butter
  • 1 small onion chopped
  • 2 cloves garlic minced
  • 15 oz diced tomatoes (1 can)
  • 3/4 cup heavy cream
  • 1 oz Parmesan cheese grated
  • 1/4 tsp salt or to taste
  • 1/4 tsp pepper or to taste
  • 3 leaves fresh basil chopped for garnish


  • Cook the pasta according to package instructions.
  • While the pasta is cooking, season the shrimp with the cajun seasoning. In a large skillet heat 1 tbsp of the olive oil over medium high heat. Add the shrimp and cook on both sides until pink, it shouldn't take more than a couple minutes. Remove the shrimp from the skillet and set aside.
  • Add the remaining 1 tbsp of olive oil and the butter to the skillet and heat until butter melts over medium heat. Add the chopped onion and garlic, then cook for about 3 minutes until the onion becomes soft and translucent.
  • While the onion is cooking pour the tomatoes in a food processor or blender and pulse until smooth. Add the tomatoes to the skillet, bring to a boil then turn down the heat and simmer for about 15 minutes, stirring occasionally.
  • Add the heavy cream and Parmesan cheese to the skillet, and cook for another 5 minutes. Taste and season with salt and pepper as needed.
  • Add the cooked pasta and shrimp to the skillet and toss everything well together.
  • Garnish with fresh basil and more Parmesan cheese if preferred, and serve immediately.


  1. I used a type of pasta that's shaped like calamari. Since that's not super easy to find, you can use any type of pasta that you like.
  2. You can used crushed tomatoes instead of diced.
  3. To cut down on calories you can use half and half or a light cream.
  4. You can use sausage or ground beef if you don't like shrimp.
  5. Please keep in mind that nutritional information is a rough estimate and can vary greatly based on products used. 


Calories: 732kcal | Carbohydrates: 73g | Protein: 33g | Fat: 34g | Saturated Fat: 17g | Cholesterol: 296mg | Sodium: 1097mg | Potassium: 570mg | Fiber: 5g | Sugar: 6g | Vitamin A: 1870IU | Vitamin C: 16mg | Calcium: 300mg | Iron: 4mg