Quick Cajun Scallops in Creamy Mustard Sauce Dinner

Quick Cajun Scallops in a creamy mustard sauce is a weeknight dinner dream come true. After making this many times, I’ve discovered the trick to perfectly crispy scallops every time. The creamy, tangy sauce is the perfect complement to the crispy, juicy scallops. Keep reading for my best tips. If you love recipes like this, you’ll also enjoy Easy S’mores Cookie Cake Recipe Perfect for Dessert and Easy Tomato and White Bean Soup with Garlic Toast.

Why This Quick Cajun Scallops in Creamy Mustard Sauce Dinner Is Pure Comfort
- Crispy, golden scallops with a juicy center
- Creamy, tangy mustard sauce that's irresistible
- Easy, quick, and better than takeout
- Perfect for busy weeknights
What You'll Need for Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Choosing the right ingredients makes a big difference, but this recipe is forgiving enough to work with what you have.
- 1 lb sea scallops
- 2 tbsp Cajun seasoning
- 1/2 cup heavy cream
- 2 tbsp Dijon mustard
- Salt
- Black pepper
- Garlic powder
- Paprika
- Onion powder
- Thyme
- Oregano
- Red pepper flakes
- Optional: Fresh parsley
- Optional: Lemon wedges

📝 Ingredient Notes
- Sea scallops: Pat dry before cooking for best results.
🛒 Tools & Equipment I Recommend
- Cast iron skillet — Even heat distribution for perfect searing. → See on Amazon
- Tongs — Easy flipping and handling of scallops. → See on Amazon

How to Make Quick Cajun Scallops in Creamy Mustard Sauce Dinner
- Prepare scallops: Pat scallops dry, season with Cajun seasoning, salt, and pepper.
- Cook scallops: Heat oil in skillet, cook scallops 2-3 minutes per side until golden and crispy.
- Make sauce: In same skillet, melt butter, add garlic, mustard, and cream. Simmer until thickened.
- Serve: Plate scallops, pour sauce over top, garnish with parsley and lemon wedges.
Cook's Tips for Perfect Quick Cajun Scallops in Creamy Mustard Sauce Dinner
- Common mistake and fix: Don't overcrowd the pan. Cook scallops in batches if necessary to prevent steaming.
- Substitution: No Cajun seasoning? Use a mix of paprika, garlic powder, onion powder, thyme, oregano, salt, and pepper.
- Make-ahead: Scallops can be seasoned ahead of time, but cook just before serving for best results.
Storing & Reheating Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Short-Term Storage
Store in an airtight container in the fridge. Store leftovers in an airtight container for up to 3 days. Make-ahead tip: Scallops can be seasoned ahead of time, but cook just before serving.
Freezing Quick Cajun Scallops in Creamy Mustard Sauce Dinner
Not recommended for scallops.
How to Reheat Without Drying It Out
Oven: Reheat in a 350°F oven for 5-7 minutes. Microwave: Reheat in the microwave for 1-2 minutes.
Recipe Notes
- Chef tip: Use a hot skillet and high heat to achieve a crispy sear on the scallops.
- Best substitution: No heavy cream? Use half-and-half or milk, but expect a thinner sauce.
- Make-ahead: Scallops can be seasoned ahead of time, but cook just before serving.
- Scaling: This recipe can be easily doubled or tripled for larger crowds.
- Troubleshooting: If sauce is too thick, thin it out with a splash of milk or chicken broth.
Want to level up this recipe?
High-quality Cajun seasoning — Makes all the difference in this dish. Pays for itself vs takeout. → Check price on Amazon
Quick Cajun Scallops in Creamy Mustard Sauce Dinner

Ingredients
Main Ingredients
- 1 lb sea scallops
- 2 tbsp Cajun seasoning
- 1/2 cup heavy cream
- 2 tbsp Dijon mustard
Seasonings
- Salt
- Black pepper
- Garlic powder
- Paprika
- Onion powder
- Thyme
- Oregano
- Red pepper flakes
Optional Toppings
- Fresh parsley
- Lemon wedges
Instructions
- Prepare scallops: Pat scallops dry, season with Cajun seasoning, salt, and pepper.
- Cook scallops: Heat oil in skillet, cook scallops 2-3 minutes per side until golden and crispy.
- Make sauce: In same skillet, melt butter, add garlic, mustard, and cream. Simmer until thickened.
- Serve: Plate scallops, pour sauce over top, garnish with parsley and lemon wedges.
Notes
- Chef tip: Use a hot skillet and high heat to achieve a crispy sear on the scallops.
- Best substitution: No heavy cream? Use half-and-half or milk, but expect a thinner sauce.
- Make-ahead: Scallops can be seasoned ahead of time, but cook just before serving.
- Scaling: This recipe can be easily doubled or tripled for larger crowds.
- Troubleshooting: If sauce is too thick, thin it out with a splash of milk or chicken broth.
Storage
- Fridge: Store leftovers in an airtight container for up to 3 days.
- Freezer: Not recommended for scallops.
- Oven reheat: Reheat in a 350°F oven for 5-7 minutes.
- Microwave reheat: Reheat in the microwave for 1-2 minutes.
- Make ahead: Scallops can be seasoned ahead of time, but cook just before serving.
Nutrition Per Serving
- Calories: 280
- Protein: 24g
- Fat: 16g
- Carbs: 8g
- Fiber: 0g
- Sugar: 1g
- Sodium: 800mg
- Cholesterol: 100mg
- Sat. Fat: 9g
Nutritional values are estimates only. Actual values may vary by brand and portion size.
Quick Cajun Scallops in Creamy Mustard Sauce Dinner FAQs
Scallops can be seasoned ahead of time, but cook just before serving.
Overcooking is the most common reason for rubbery scallops. They should be cooked for 2-3 minutes per side, no more.
Yes, but make sure they're thawed and patted dry before cooking.
Try them with Easy Tomato and White Bean Soup with Garlic Toast or Easy Crab Rangoon Pinwheels with Puff Pastry.
Adding cold cream to a hot skillet can cause the sauce to break. Make sure your skillet is not too hot when adding the cream.
A Warm Final Note
I can’t wait for you to try Quick Cajun Scallops in Creamy Mustard Sauce Dinner and see how effortlessly it comes together. When you make it, pop back here and leave a rating or share how it turned out — I love hearing from you!






