Spicy Cajun Shrimp Mac & Cheese with Crispy Bacon Topping
This Spicy Cajun Shrimp Mac & Cheese is ultra-creamy, cheesy, and packed with bold flavors, featuring juicy, blackened Cajun shrimp and a crispy, smoky bacon-Parmesan topping. The combination of spicy shrimp, velvety cheese sauce, and crunchy bacon crumble makes this dish next-level indulgent—the perfect mix of comfort food with a spicy, Southern twist!
🔥 Why You’ll Love This Dish:
✔ Ultra-Creamy & Spicy Cajun Cheese Sauce – Made with cheddar, Parmesan, and a touch of heat.
✔ Blackened Cajun Shrimp – Adds a bold, smoky contrast to the rich mac.
✔ Crispy Bacon-Parmesan Topping – The perfect crunchy, salty bite.
✔ One-Pan, Easy & Quick! – Ready in under 40 minutes.
⏱ Timings
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Total Time: 35 minutes
Ingredients (Serves 4-6)

For the Cajun Shrimp:
- 1 lb large shrimp, peeled & deveined
- 1 tbsp Cajun seasoning
- ½ tsp smoked paprika
- 1 tbsp olive oil
- 1 tbsp butter
For the Mac & Cheese Sauce:
- 2 tbsp butter
- 3 cloves garlic, minced
- 2 tbsp all-purpose flour
- 2 cups whole milk
- 1 cup heavy cream
- 1 tsp Cajun seasoning
- ½ tsp mustard powder
- 2 cups shredded sharp cheddar cheese
- ½ cup Parmesan cheese, grated
For the Pasta:
- 12 oz elbow macaroni or cavatappi pasta
- 1 tbsp salt (for boiling water)
For the Crispy Bacon Topping:
- 5 slices crispy bacon, crumbled
- ½ cup panko breadcrumbs
- 2 tbsp grated Parmesan cheese
- 1 tbsp butter, melted
For Garnish:
- Chopped fresh parsley
- Extra shredded cheddar
Step-by-Step Instructions
Step 1: Cook the Pasta
- Bring a large pot of salted water to a boil.
- Cook the pasta 1 minute less than package instructions (it will finish cooking in the sauce).
- Drain and toss with a little butter to prevent sticking.
Step 2: Sear the Cajun Shrimp
- In a bowl, toss shrimp with Cajun seasoning and smoked paprika.
- Heat olive oil and butter in a skillet over medium-high heat.
- Sear shrimp for 1-2 minutes per side, until blackened and opaque.
- Remove from heat and set aside.
Step 3: Make the Creamy Cajun Cheese Sauce
- In the same skillet, melt butter over medium heat.
- Add garlic and cook for 30 seconds until fragrant.
- Whisk in flour and cook for 1 minute to create a roux.
- Slowly pour in milk and heavy cream, whisking continuously.
- Stir in Cajun seasoning and mustard powder, simmering until thickened.
- Remove from heat and whisk in cheddar and Parmesan until smooth.
Step 4: Prepare the Crispy Bacon Topping
- In a bowl, mix crumbled bacon, panko, Parmesan, and melted butter.
- Set aside for a crunchy topping.
Step 5: Assemble & Bake (Optional for Extra Crispiness!)
- Toss the cooked pasta in the Cajun cheese sauce.
- Fold in the seared Cajun shrimp, saving a few for garnish.
- Transfer to a baking dish (optional) and sprinkle with bacon topping.
- Broil for 2-3 minutes until golden and crispy.
Step 6: Garnish & Serve
- Sprinkle with fresh parsley and extra cheddar.
- Serve hot and creamy, with extra Cajun shrimp on top!

Nutritional Information (Per Serving, Approximate)
- Calories: 720
- Protein: 45g
- Carbohydrates: 52g
- Fat: 38g
💡 Want a Healthier Version?
✔ Use Greek yogurt instead of heavy cream.
✔ Swap zucchini noodles or cauliflower mac for pasta.
✔ Use turkey bacon instead of pork bacon.

Spicy Cajun Shrimp Mac & Cheese with Crispy Bacon Topping
Ingredients
For the Cajun Shrimp:
- 1 lb large shrimp peeled & deveined
- 1 tbsp Cajun seasoning
- ½ tsp smoked paprika
- 1 tbsp olive oil
- 1 tbsp butter
For the Mac & Cheese Sauce:
- 2 tbsp butter
- 3 cloves garlic minced
- 2 tbsp all-purpose flour
- 2 cups whole milk
- 1 cup heavy cream
- 1 tsp Cajun seasoning
- ½ tsp mustard powder
- 2 cups shredded sharp cheddar cheese
- ½ cup Parmesan cheese grated
For the Pasta:
- 12 oz elbow macaroni or cavatappi pasta
- 1 tbsp salt for boiling water
For the Crispy Bacon Topping:
- 5 slices crispy bacon crumbled
- ½ cup panko breadcrumbs
- 2 tbsp grated Parmesan cheese
- 1 tbsp butter melted
For Garnish:
- Chopped fresh parsley
- Extra shredded cheddar
Instructions
Step-by-Step Instructions
Step 1: Cook the Pasta
- Bring a large pot of salted water to a boil.
- Cook the pasta 1 minute less than package instructions (it will finish cooking in the sauce).
- Drain and toss with a little butter to prevent sticking.
Step 2: Sear the Cajun Shrimp
- In a bowl, toss shrimp with Cajun seasoning and smoked paprika.
- Heat olive oil and butter in a skillet over medium-high heat.
- Sear shrimp for 1-2 minutes per side, until blackened and opaque.
- Remove from heat and set aside.
Step 3: Make the Creamy Cajun Cheese Sauce
- In the same skillet, melt butter over medium heat.
- Add garlic and cook for 30 seconds until fragrant.
- Whisk in flour and cook for 1 minute to create a roux.
- Slowly pour in milk and heavy cream, whisking continuously.
- Stir in Cajun seasoning and mustard powder, simmering until thickened.
- Remove from heat and whisk in cheddar and Parmesan until smooth.
Step 4: Prepare the Crispy Bacon Topping
- In a bowl, mix crumbled bacon, panko, Parmesan, and melted butter.
- Set aside for a crunchy topping.
Step 5: Assemble & Bake (Optional for Extra Crispiness!)
- Toss the cooked pasta in the Cajun cheese sauce.
- Fold in the seared Cajun shrimp, saving a few for garnish.
- Transfer to a baking dish (optional) and sprinkle with bacon topping.
- Broil for 2-3 minutes until golden and crispy.
Step 6: Garnish & Serve
- Sprinkle with fresh parsley and extra cheddar.
- Serve hot and creamy, with extra Cajun shrimp on top!
Notes
✔ Use Greek yogurt instead of heavy cream.
✔ Swap zucchini noodles or cauliflower mac for pasta.
✔ Use turkey bacon instead of pork bacon.